×减20%等于40 17减150%×等于6.5 都是解方程练习题

急需六年级的计算题、简算题、解比例以及解方程的练习题_百度知道
急需六年级的计算题、简算题、解比例以及解方程的练习题
急需六年级的计算题、简算题、解比例以及解方程的练习题。越多越好,谁给的题多把分给谁,悬赏一百,还会追加!!!难度适中,不要有重的,谢谢。
是计算,不是填空、应用题之类的,我只要计算。 如果答案完全吻合我的条件,我将再加五十分!!!!
提问者采纳
4/9×3= 5÷1/3 = 1/2÷1/3 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7-2/3= 2/7×2= 41/12×4= 4÷3/16= 12÷9/4= 75/8 ÷5= 12×16/9= 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8= 7/9×9/7= 2.64+3.6= 2.4×50= 50-298= 2+7÷9= 0.3÷3%= 286+198= 314-202= 526+301= 223-99= 1/2×3/5= 1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10= 17÷+0.4= 1.25×100= 5.6+99= 43×63/21= 100÷25= 1-0.93= 90-0.9= 18.3×1/3= 794-198= 68×25= 43.3-63/21 = 72×125= = 23/5×5/6 = 20/3×12= 1/2-1/6= 30.25×4/5= 5/6-1/2= 1/2×1/5= 4.25×4/25×4 57.26-(5.26-1.5) 106.25+3.85-2.125+3.875 11.9-2456×21 5/11-4×2.75 13.375+5.75+2.25+6.625 (15.1-9036)÷18 163.8×5.25+14.5 172.1×4.3+5.7×2.1 19.102×45-328 2.8×3.1+16/8 23÷(50-12.5) ÷2.5 24×2/5×1/3 25.6÷110×47+639 3.5×2.7-52.2/18 28-1/7×1/5 3.375×0.97+0.97×6.625 6.54+2.4+3.46+0.6 95.6×1.8+95.6×8.2 35.6-420/12×4 344/3.6-5.4×0.25 16/2+30/2+90/6
0.15/0.25+0.75×1.2 41×(1/2+1/3+1/4)×0.24 42×(25+4)×4 3×63/21-84 0.81/0.25+5.96×5 403÷13×27 46.1.5×4.2-0.75÷0.25 3.27×4 +3.27×5.7 (1.2+ 1.8)×4.5÷32 0.25×80-0.45÷0.9 50.÷32 81.2-11÷7-×3= .5×10.6 = 2/7×3/9 ÷2/7 = -207= 97×360+3×360= 4/9×3= 5÷1/3 = 1/2÷1/3 = 2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 -2/3= 2/7×2 = 41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 = 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8 = 7/9×9/7 = 2.64+3.6= 2.4×50= 50-298= 2+7÷9= 0.3÷3%= 81.2-11÷7-×3= .5×10.6 =8+ (+87)÷87 125×8.8 1.3+4.25+3.7+3.75 17.15-(3.5-2.85) 3.4×99+3.4 4.8×1.01 0.4×(2.5÷73) (1.6+1.6+1.6+1.6)×25 ( + - )÷ 12.3-2.45-5.7-4.55 2 + 0.125×0.25×64 64.2×87+0.642×+7.8×741-7 17+ 8 0.125× +0.5 2.42 +4.58 -43 25÷100 4.25-3 -(2 -1 ) (1)1.25*17.6+36.1/0.8+2.36*12.5 1.25*17.6+36.1/0.8+2.36*12.5 =(5/4)*17.6+36.1*(5/4)+23.6*(50/4) =176/8+361/8+236/8 =773/8=96.625 (2)7.5*2.3+1.9*2.5 7.5*2.3+1.9*2.5 =7.5*(1.9+0.4)+1.9*2.5 =(7.5+2.5)*1.9+7.5*0.4 =19+3 =22 (3)05 05 =()*(2003+2) =03 (4)276*543-267/276+543*275 276*543-267/276+543*275 =543*(276+275)-267/276 =543*551-267/276 1.125*3+125*5+25*3+25 2.*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7. 8× 5/4 + 1/4 8. 6÷ 3/8 – 3/8 ÷6 9. 4/7 × 5/9 + 3/7 × 5/9 10. 5/2 -( 3/2 + 4/5 ) 11. 7/8 + ( 1/8 + 1/9 ) 12. 9 × 5/6 + 5/6 13. 3/4 × 8/9 - 1/3 14. 7 × 5/49 + 3/14 15. 6 ×( 1/2 + 2/3 ) 16. 8 × 4/5 + 8 × 11/5 17. 31 × 5/6 – 5/6 18. 9/7 - ( 2/7 – 10/21 ) 19. 5/9 × 18 – 14 × 2/7 20. 4/5 × 25/16 + 2/3 × 3/4 21. 14 × 8/7 – 5/6 × 12/15 22. 17/32 – 3/4 × 9/24 23. 3 × 2/9 + 1/3 24. 5/7 × 3/25 + 3/7 25. 3/14 ×× 2/3 + 1/6 26. 1/5 × 2/3 + 5/6 27. 9/22 + 1/11 ÷ 1/2 28. 5/3 × 11/5 + 4/3 29. 45 × 2/3 + 1/3 × 15 30. 7/19 + 12/19 × 5/6 31. 1/4 + 3/4 ÷ 2/3 32. 8/7 × 21/16 + 1/2 33. 101 × 1/5 – 1/5 × 21 34.50+160÷40 35.120-144÷18+35 36.347+45×2-4160÷52 37(58+37)÷(64-9×5) 38.95÷(64-45) 39.178-145÷5×6+42 40.812-700÷(9+31×11) 41.85+14×(14+208÷26) 43.120-36×4÷18+35 44.(58+37)÷(64-9×5) 45.(6.8-6.8×0.55)÷8.5 46.0.12× 4.8÷0.12×4.8 47.(3.2×1.5+2.5)÷1.6 48.6-1.6÷4= 5.38+7.85-5.37= 49.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 50.6.5×(4.8-1.2×4)= 51.5.8×(3.87-0.13)+4.2×3.74 52.32.52-(6+9.728÷3.2)×2.5 53.[(7.1-5.6)×0.9-1.15] ÷2.5 54.5.4÷[2.6×(3.7-2.9)+0.62] 55.12×6÷(12-7.2)-6 56.12×6÷7.2-6 57.0.68×1.9+0.32×1.9 58.58+370)÷(64-45) 59.420+580-64×21÷28 60.136+6×(65-345÷23) 15-10.75×0.4-5.7 62.18.1+(3-0.299÷0.23)×1 63.(6.8-6.8×0.55)÷8.5 64.0.12× 4.8÷0.12×4.8 65.(3.2×1.5+2.5)÷1.6 66.3.2×6+(1.5+2.5)÷1.6 67.0.68×1.9+0.32×1.9 68.10.15-10.75×0.4-5.7 69.5.8×(3.87-0.13)+4.2×3.74 70.32.52-(6+9.728÷3.2)×2.5 71.[(7.1-5.6)×0.9-1.15] ÷2.5 72.5.4÷[2.6×(3.7-2.9)+0.62] 73.12×6÷(12-7.2)-6 74.12×6÷7.2-6 75.33.02-(148.4-90.85)÷2.5 1) 76.(25%-695%-12%)*36 77./4*3/5+3/4*2/5 78.1-1/4+8/9/7/9 79.+1/6/3/24+2/21 80./15*3/5 81.3/4/9/10-1/6 82./3+1/2)/5/6-1/3]/1/7 83./5+3/5/2+3/4 84.(2-2/3/1/2)]*2/5 85.+9 86.3+456-52*8 87.5%+6325 88./2+1/3+1/4 2) 89+456-78 3) 5%+. 3/7 × 49/9 - 4/3 4) 9 × 15/36 + 1/27 5) 2× 5/6 – 2/9 ×3 6) 3× 5/4 + 1/4 7) 94÷ 3/8 – 3/8 ÷6 8) 95/7 × 5/9 + 3/7 × 5/9 9) 6/2 -( 3/2 + 4/5 ) 10) 8 + ( 1/8 + 1/9 ) 11) 8 × 5/6 + 5/6 12) 1/4 × 8/9 - 1/3 13) 10 × 5/49 + 3/14 14) 1.5 ×( 1/2 + 2/3 ) 15) 2/9 × 4/5 + 8 × 11/5 16) 3.1 × 5/6 – 5/6 17) 4/7 - ( 2/7 – 10/21 ) 18) 19 × 18 – 14 × 2/7 19) 5 × 25/16 + 2/3 × 3/4 20) 4 × 8/7 – 5/6 × 12/15 21) 7/32 – 3/4 × 9/24 22) 1、 2/3÷1/2-1/4×2/5 2、 2-6/13÷9/26-2/3 3、 2/9+1/2÷4/5+3/8 4、 10÷5/9+1/6×4 5、 1/2×2/5+9/10÷9/20 6、 5/9×3/10+2/7÷2/5 7、 1/2+1/4×4/5-1/8 8、 3/4×5/7×4/3-1/2 9、 23-8/9×1/27÷1/27 10、 8×5/6+2/5÷4 11、 1/2+3/4×5/12×4/5 12、 8/9×3/4-3/8÷3/4 13、 5/8÷5/4+3/23÷9/11 23) 1.2×2.5+0.8×2.5 24) 8.9×1.25-0.9×1.25 25) 12.5×7.4×0.8 26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5 0.35×1.6+0.35×3.4 0.25×8.6×4 6.72-3.28-1.72 0.45+6.37+4.55 5.4+6.9×3-(25-2.5)2×0 4.8×46+4.8×54 0.8+0.8×2.5 1.25×3.6×8×2.5-12.5×2.4 28×12.5-12.5×20 23.65-(3.07+3.65) (4+0.4×0.25)8×7×1.25 1.65×99+1.65 27.85-(7.85+3.4) 48×1.25+50×1.25×0.2×8 7.8×9.9+0.78 (+681+6)×12 3××6×854 5.15×7/8+6.1-0.60625 1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 ) 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - ( 2/7 – 10/21 ) 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 × 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 – 1/5 × 21 31.50+160÷40 (58+370)÷(64-45) 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36.178-145÷5×6+42 420+580-64×21÷28 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 38.85+14×(14+208÷26) 39.(284+16)×(512-8208÷18) 40.120-36×4÷18+35 41.(58+37)÷(64-9×5) 42.(6.8-6.8×0.55)÷8.5 43.0.12× 4.8÷0.12×4.8 44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 48.10.15-10.75×0.4-5.7 49.5.8×(3.87-0.13)+4.2×3.74 50.32.52-(6+9.728÷3.2)×2.5 51.[(7.1-5.6)×0.9-1.15] ÷2.5 52.5.4÷[2.6×(3.7-2.9)+0.62] 53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6 102×4.5 7.8×6.9+2.2×6.9 5.6×0.25 8×(20-1.25) 1)127+352+73+44 (2)89+276+135+33 (1)25+71+75+29 +88 (2)243+89+111+57 ÷28×21 920- 690+47×52-398 148+ 360×24÷32+730 ×54 51+()×23 4215+()÷81 (247+18)×27÷25 36-720÷(360÷18) 1080÷(63-54)×80 (528+912)×5-6178 -904 264+318-8280÷69 (174+209)×26- 9000 814-(278+322)÷15 ÷45 ÷38+504 796-5040÷(630÷7) 285+()÷36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 1.18.1+(3-0.299÷0.23)×1 2.(6.8-6.8×0.55)÷8.5 3.0.12× 4.8÷0.12×4.8 4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 5.6-1.6÷4= 5.38+7.85-5.37= 6.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 7.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9= 8.10.15-10.75×0.4-5.7= 9.5.8×(3.87-0.13)+4.2×3.74= 10.32.52-(6+9.728÷3.2)×2.5= 11.[(7.1-5.6)×0.9-1.15] ÷2.5= 12.5.4÷[2.6×(3.7-2.9)+0.62]= 13.12×6÷(12-7.2)-6= 14.12×6÷7.2-6 =15.33.02-(148.4-90.85)÷2.5= (一) 1. 3.375+5.75+2.25+6.625 2. 72 ÷9 3. ÷18 4. 3.8×5.25+14.5 5. 6. 7. 50减去12.5的差,除以2.5商是多少? 8. 某数的6倍与4 的和等于19.25,求某数。(方程解) (二) 1. 15.36-3 2. 2.1×4.3+5.7×2.1 3. ( 4. 102×45-328 5. 2.8×3.1+17.6÷8 6. 19.2减去8.5与4.3的和,差是多少? 7. 一个数的30%比18少6,求这个数。 (方程解) (三) 1.
2. 3.5×2.7-52.2÷18 3. 18 4. 3.375×0.97+0.97×6.625 5. (2 6. 5减去2 与1 的积,在除以5 ,商是多少? 7. 某数的 比70多10,求某数? (方程解) (四) 1. 6.54+2.4+3.46+0.6 2. 95.6×1.8+95.6×8.2 3. 600-420÷12 7.344÷3.6-5.4×0.25 4. (2 5. 15.6÷[16×(0.25+0.125)] 6. 158减去80的差除以13,商是多少? 7. 7.5减去一个数的 ,差是6,求这个数。(方程解) (五) 1.
2. 3.9+ 3. ×34 4. 0.15÷0.25+0.75×1.2 5. ( )×0.24 6. 309除以41.25与5.75的和,商是多少? 7. 一个数的 加上1.2等于10,求这个数。(方程解) (六) 1. 2. (25+ )×4 3. 300-4263÷21 4. 0.81÷0.25+5.96 5. 6. 2.6-1÷( )× 7. 5个 除以 与 的和,商是多少? 8. 一个数的 比它的 多4.5,求这个数。(方程解) (七) 1. 12 2. 6.6+2 3. 1.8×3 4. 403÷13×27 5. 1.5×4.2-0.75÷0.25 6. 54的 减去3 除以0.5得商,差是多少? 7. 一个数的65%与 的和是1.5求这个数。(方程解) (八) 1. 14 2. 3.27×4 +3.27×5.7 3. 4. (1.2+ )×4.5÷ 5. ÷32 6. 0.25×80-0.45÷0.9 7. 比47大13的数乘以5减去4.25的差,积是多少? 8. 一个数的3倍减去4.5的差是1.5,求这个数。(方程解) (九) 1. 0.25×2.69×4 2. 4.125× 3.
4. 5. 2.4+2.4×(5.375-3.375) 6. (1 7. 比一个数的 少2.4的数是1.8,求这个数。(方程解) 姓名______学号______ 8. 4.5减去1.5乘以2.5的积,差是多少? (十) 1. 645-45×12 2. ( 3. 0.15+1.2÷0.24-0.45 4. 3.75-(2.35+0.25÷1.25) 5. 76× +23×25%+0.25 6. 10-2.87-7.13 7. 0.96+9.6×9.9 8. 从7.5里减去5.7的 ,差是多少? 9. 一个数的40%减去9.6等于6.4,求这个数。(方程解) (十一) 1. 12.37-3.25-6.75 2. 16×6.8+2.2×16+16 3. 401×19+284 4. 58.7-16.65÷3.7 5. 0.4×4.7×2.5+(2.3+5.3) 6. 3.6除以2.5的商加上12.1的和是多少? 7. 一个数的0.4比0.9多0.5,求这个数。(方程解) (十二) 1. 9.31-1.125-7.875 2. ( )×18 3. 640+128×45 4. 8.2×1.6-0.336÷4.2 5. ( 6. 7. 400乘以0.62与0.08的和,积是多少? 8. 一个数的2.5倍等于37与8的和,求这个数。(方程解) 1) 3X-(1/2+1/4)=7/12 3X=7/12+3/4 3X=4/3 X=4/9 (2) 6.6-5X=3/4-4X 6.6-0.75=-4X+5X X=5.85 (3) 1.1X+2.2=5.5-3.3X 1.1X+3.3X=5.5-2.2 4.4X=3.3 X=3/4=4/3 还有 (0.5+x)+x=9.8÷2 2(X+X+0.5)=9.8 25000+x=6x X+X X-0.8X=6 12x-8x=4.8 7.5*2X=15 1.2x=81.6 x+5.6=9.4 52-x =15 91÷x =1.3 X+8.3=10.7 15x =3 3x-8=16 7(x-2)=2x+3 3x+9=2718(x-2)=270 12x=300-4x 7x+5.3=7.4 3x÷5=4.8 30÷x+25=85 1.4×8-2x=6 6x-12.8×3=0.06 410-3x=170 3(x+0.5)=21 0.5x+8=43 6x-3x=18 1.5x+18=3x 5×3-x÷2=8 0.273÷x=0.35 1.8x=0.972 x÷0.756=90 9x-40=5 x÷5+9=21 48-27+5x=31 10.5+x+21=56 x+2x+18=78 (200-x)÷5=30 (x-140)÷70=4 0.1(x+6)=3.3×0.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)÷x=4 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6÷x=12.6 5x+12.5=32.3 5(x+8)=102 x+3x+10=70 3(x+3)=50-x+3 5x+15=60 3.5-5x=2 0.3×7+4x=12.5 x÷1.5-1.25=0.75 4x-1.3×6=2.6 20-9x=1.2×6.25 6x+12.8=15.8 150×2+3x=690 2x-20=4 3x+6=18 2(2.8+x)=10.4 (x-3)÷2=7.5 13.2x+9x=33.3 3x=x+100 x+4.8=7.2 6x+18=48 3(x+2.1)=10.5 12x-9x=8.7 13(x+5)=169 2x-97=34.2 3.4x-48=26.8 42x+25x=134 1.5(x+1.6)=3.6 2(x-3)=5.8 65x+7=42 9x+4×2.5=91 4.2 x+2.5x=134 10.5x+6.5x=51 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 23.4=2x=56 4x-x=48.6 4.5x-x=28 X-5.7=2.15 15 5X-2X=18 3X+0.7=5 3.5×2= 4.2+x 26×1.5= 2x+10 0.5×16―16×0.2=4x 13 9.25-X=0.403 16.9÷X=0. 3 X÷0.5=2.6 x+13=33 3 - 5x=80 1.8 +6x=54 6.7x -60.3=6.7 9 +4x =40 2x+8=16 x/5=10 x+7x=8 9x-3x=6 6x-8=4 5x+x=9 x-8=6x 4/5x=20 2x-6=12 7x+7=14 6x-6=0 5x+6=11 2x-8=10 1/2x-8=4 x-5/6=7 3x+7=28 3x-7=26 9x-x=16 24x+x=50 6/7x-8=4 3x-8=30 6x+6=12 3x-3=1 5x-3x=4 2x+16=19 5x+8=19 14-6x=8 15+6x=27 5-8x=4 7x+8=15 9-2x=1 4+5x=9 10-x=8 8x+9=17 9+6x=14 x+9x=4+7 2x+9=17 8-4x=6 6x-7=12 7x-9=8 x-56=1 8-7x=1 x-30=12 6x-21=21 6x-3=6 9x=18 4x-18=13 5x+9=11 6-2x=11 x+4+8=23 7x-12=8 X-5.7=2.15 15 5X-2X=18 3X 0.7=5 3.5×2= 4.2 x 26×1.5= 2x 0.5×16―16×0.2=4x 9.25-X=0.403 16.9÷X=0.3 X÷0.5=2.6 3-5x=80 1.8-6x=54 6.7x-60.3=6.7 9 +4x=40 0.2x-0.4+0.5=3.7 9.4x-0.4x=16.2 12-4x=20 1/3x+5/6x=1.4 12x+34x=1 18x-14x=12 23 x-5×14=14 12+34x=56 22-14x=12 23x-14x=14 x+14x=65 23x=14x+14 30x12x-14x=1 x-0.7x=3.6 1.3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 ) 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - ( 2/7 – 10/21 ) 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 ×× 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 – 1/5 × 21 31.58+42= (2)87-45= (3)125×8= 32.50×12= (5)804÷4= (6)134+66= 33.1000-98= (8)720÷5= (9)0÷47= 17/32 – 3/4 × 9/24 3 × 2/9 + 1/3 5/7 × 3/25 + 3/7 3/14 ×× 2/3 + 1/6 1/5 × 2/3 + 5/6 9/22 + 1/11 ÷ 1/2 5/3 × 11/5 + 4/3 45 × 2/3 + 1/3 × 15 7/19 + 12/19 × 5/6 1/4 + 3/4 ÷ 2/3 8/7 × 21/16 + 1/2 101 × 1/5 – 1/5 × 21 3/7 × 49/9 - 4/3 8/9 × 15/36 + 1/27 12× 5/6 – 2/9 ×3 8× 5/4 + 1/4 6÷ 3/8 – 3/8 ÷6 4/7 × 5/9 + 3/7 × 5/9 5/2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 ) 9 × 5/6 + 5/6 3/4 × 8/9 - 1/3 7 × 5/49 + 3/14 6 ×( 1/2 + 2/3 ) 8 × 4/5 + 8 × 11/5 31 × 5/6 – 5/6 9/7 - ( 2/7 – 10/21 ) 5/9 × 18 – 14 × 2/7 4/5 × 25/16 + 2/3 × 3/4 14 × 8/7 – 5/6 × 12/15 17/32 – 3/4 × 9/24 3 × 2/9 + 1/3 5/7 × 3/25 + 3/7 3/14 ×× 2/3 + 1/6 1/5 × 2/3 + 5/6 9/22 + 1/11 ÷ 1/2 8分之7乘以16分之13乘以16分之13 3分之2乘以28分之15乘以21分之5 7分之5乘以35乘以21分之8 5/3 × 11/5 + 4/3 45 × 2/3 + 1/3 × 15 7/19 + 12/19 × 5/6 1/4 + 3/4 ÷ 2/3 8/7 × 21/16 + 1/2 101 × 1/5 – 1/5 × 2 1.25*3+125*5+25*3+25 2.*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7. 8× 5/4 + 1/4 8. 6÷ 3/8 – 3/8 ÷6 9. 4/7 × 5/9 + 3/7 × 5/9 10. 5/2 -( 3/2 + 4/5 ) 11. 7/8 + ( 1/8 + 1/9 ) 12. 9 × 5/6 + 5/6 13. 3/4 × 8/9 - 1/3 14. 7 × 5/49 + 3/14 15. 6 ×( 1/2 + 2/3 ) 16. 8 × 4/5 + 8 × 11/5 17. 31 × 5/6 – 5/6 18. 9/7 - ( 2/7 – 10/21 ) 19. 5/9 × 18 – 14 × 2/7 20. 4/5 × 25/16 + 2/3 × 3/4 21. 14 × 8/7 – 5/6 × 12/15 22. 17/32 – 3/4 × 9/24 23. 3 × 2/9 + 1/3 24. 5/7 × 3/25 + 3/7 25. 3/14 ×× 2/3 + 1/6 26. 1/5 × 2/3 + 5/6 27. 9/22 + 1/11 ÷ 1/2 28. 5/3 × 11/5 + 4/3 29. 45 × 2/3 + 1/3 × 15 30. 7/19 + 12/19 × 5/6 31. 1/4 + 3/4 ÷ 2/3 32. 8/7 × 21/16 + 1/2 33. 101 × 1/5 – 1/5 × 21
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其他6条回答
计算:1.125*3+125*5+25*3+25 2.*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7. 8× 5/4 + 1/4 8. 6÷ 3/8 – 3/8 ÷6 9. 4/7 × 5/9 + 3/7 × 5/9 10. 5/2 -( 3/2 + 4/5 ) 11. 7/8 + ( 1/8 + 1/9 ) 12. 9 × 5/6 + 5/6 13. 3/4 × 8/9 - 1/3 14. 7 × 5/49 + 3/14 15. 6 ×( 1/2 + 2/3 ) 16. 8 × 4/5 + 8 × 11/5 17. 31 × 5/6 – 5/6 18. 9/7 - ( 2/7 – 10/21 ) 19. 5/9 × 18 – 14 × 2/7 20. 4/5 × 25/16 + 2/3 × 3/4 21. 14 × 8/7 – 5/6 × 12/15 22. 17/32 – 3/4 × 9/24 23. 3 × 2/9 + 1/3 24. 5/7 × 3/25 + 3/7 25. 3/14 ×× 2/3 + 1/6 26. 1/5 × 2/3 + 5/6 27. 9/22 + 1/11 ÷ 1/2 28. 5/3 × 11/5 + 4/3 29. 45 × 2/3 + 1/3 × 15 30. 7/19 + 12/19 × 5/6 31. 1/4 + 3/4 ÷ 2/3 32. 8/7 × 21/16 + 1/2 33. 101 × 1/5 – 1/5 × 21 34.50+160÷40 35.120-144÷18+35 36.347+45×2-4160÷52 37(58+37)÷(64-9×5) 38.95÷(64-45) 39.178-145÷5×6+42 40.812-700÷(9+31×11) 41.85+14×(14+208÷26) 43.120-36×4÷18+35 44.(58+37)÷(64-9×5) 45.(6.8-6.8×0.55)÷8.5 46.0.12× 4.8÷0.12×4.8 47.(3.2×1.5+2.5)÷1.6 48.6-1.6÷4= 5.38+7.85-5.37= 49.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 50.6.5×(4.8-1.2×4)= 51.5.8×(3.87-0.13)+4.2×3.74 52.32.52-(6+9.728÷3.2)×2.5 53.[(7.1-5.6)×0.9-1.15] ÷2.5 54.5.4÷[2.6×(3.7-2.9)+0.62] 55.12×6÷(12-7.2)-6 56.12×6÷7.2-6 57.0.68×1.9+0.32×1.9 58.58+370)÷(64-45) 59.420+580-64×21÷28 60.136+6×(65-345÷23) 15-10.75×0.4-5.7 62.18.1+(3-0.299÷0.23)×1 63.(6.8-6.8×0.55)÷8.5 64.0.12× 4.8÷0.12×4.8 65.(3.2×1.5+2.5)÷1.6 66.3.2×6+(1.5+2.5)÷1.6 67.0.68×1.9+0.32×1.9 68.10.15-10.75×0.4-5.7 69.5.8×(3.87-0.13)+4.2×3.74 70.32.52-(6+9.728÷3.2)×2.5 71.[(7.1-5.6)×0.9-1.15] ÷2.5 72.5.4÷[2.6×(3.7-2.9)+0.62] 73.12×6÷(12-7.2)-6 74.12×6÷7.2-6 75.33.02-(148.4-90.85)÷2.5 1) 76.(25%-695%-12%)*36 77./4*3/5+3/4*2/5 78.1-1/4+8/9/7/9 79.+1/6/3/24+2/21 80./15*3/5 81.3/4/9/10-1/6 82./3+1/2)/5/6-1/3]/1/7 83./5+3/5/2+3/4 84.(2-2/3/1/2)]*2/5 85.+9 86.3+456-52*8 87.5%+6325 88./2+1/3+1/4 2) 89+456-78 3) 5%+. 3/7 × 49/9 - 4/3 4) 9 × 15/36 + 1/27 5) 2× 5/6 – 2/9 ×3 6) 3× 5/4 + 1/4 7) 94÷ 3/8 – 3/8 ÷6 8) 95/7 × 5/9 + 3/7 × 5/9 9) 6/2 -( 3/2 + 4/5 ) 10) 8 + ( 1/8 + 1/9 ) 11) 8 × 5/6 + 5/6 12) 1/4 × 8/9 - 1/3 13) 10 × 5/49 + 3/14 14) 1.5 ×( 1/2 + 2/3 ) 15) 2/9 × 4/5 + 8 × 11/5 16) 3.1 × 5/6 – 5/6 17) 4/7 - ( 2/7 – 10/21 ) 18) 19 × 18 – 14 × 2/7 19) 5 × 25/16 + 2/3 × 3/4 20) 4 × 8/7 – 5/6 × 12/15 21) 7/32 – 3/4 × 9/24 22) 1、 2/3÷1/2-1/4×2/5 2、 2-6/13÷9/26-2/3 3、 2/9+1/2÷4/5+3/8 4、 10÷5/9+1/6×4 5、 1/2×2/5+9/10÷9/20 6、 5/9×3/10+2/7÷2/5 7、 1/2+1/4×4/5-1/8 8、 3/4×5/7×4/3-1/2 9、 23-8/9×1/27÷1/27 10、 8×5/6+2/5÷4 11、 1/2+3/4×5/12×4/5 12、 8/9×3/4-3/8÷3/4 13、 5/8÷5/4+3/23÷9/11 23) 1.2×2.5+0.8×2.5 24) 8.9×1.25-0.9×1.25 25) 12.5×7.4×0.8 26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5 0.35×1.6+0.35×3.4 0.25×8.6×4 6.72-3.28-1.72 0.45+6.37+4.55 5.4+6.9×3-(25-2.5)2×0 4.8×46+4.8×54 0.8+0.8×2.5 1.25×3.6×8×2.5-12.5×2.4 28×12.5-12.5×20 23.65-(3.07+3.65) (4+0.4×0.25)8×7×1.25 1.65×99+1.65 27.85-(7.85+3.4) 48×1.25+50×1.25×0.2×8 7.8×9.9+0.78 (+681+6)×12 3××6×854 5.15×7/8+6.1-0.60625 1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 ) 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - ( 2/7 – 10/21 ) 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 × 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 – 1/5 × 21 31.50+160÷40 (58+370)÷(64-45) 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36.178-145÷5×6+42 420+580-64×21÷28 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 38.85+14×(14+208÷26) 39.(284+16)×(512-8208÷18) 40.120-36×4÷18+35 41.(58+37)÷(64-9×5) 42.(6.8-6.8×0.55)÷8.5 43.0.12× 4.8÷0.12×4.8 44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 48.10.15-10.75×0.4-5.7 49.5.8×(3.87-0.13)+4.2×3.74 50.32.52-(6+9.728÷3.2)×2.5 51.[(7.1-5.6)×0.9-1.15] ÷2.5 52.5.4÷[2.6×(3.7-2.9)+0.62] 53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6 102×4.5 7.8×6.9+2.2×6.9 5.6×0.25 8×(20-1.25) 1)127+352+73+44 (2)89+276+135+33 (1)25+71+75+29 +88 (2)243+89+111+57 ÷28×21 920- 690+47×52-398 148+ 360×24÷32+730 ×54 51+()×23 4215+()÷81 (247+18)×27÷25 36-720÷(360÷18) 1080÷(63-54)×80 (528+912)×5-6178 -904 264+318-8280÷69 (174+209)×26- 9000 814-(278+322)÷15 ÷45 ÷38+504 796-5040÷(630÷7) 285+()÷36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 1.18.1+(3-0.299÷0.23)×1 2.(6.8-6.8×0.55)÷8.5 3.0.12× 4.8÷0.12×4.8 4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 5.6-1.6÷4= 5.38+7.85-5.37= 6.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 7.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 8.10.15-10.75×0.4-5.7 9.5.8×(3.87-0.13)+4.2×3.74 10.32.52-(6+9.728÷3.2)×2.5 11.[(7.1-5.6)×0.9-1.15] ÷2.5 12.5.4÷[2.6×(3.7-2.9)+0.62] 13.12×6÷(12-7.2)-6 14.12×6÷7.2-6 15.33.02-(148.4-90.85)÷2.5 1. (25%-695%-12%)*36 2. 3/4*3/5+3/4*2/5 3. (1-1/4+8/9)/7/9 4 2/3+1/6/3/24+2/21 5 1*8/15*3/5 6 10-3/4/9/10-1/6 7 [(1/3+1/2)/5/6-1/3]/1/7 8 2/3/5+3/5/2+3/4 9 1/[(2-2/3/1/2)]*2/5 10 3^2*3.25678 11 3^3-5 12 4^2-34% 13 3.25-315% 14 7^3+445% 15 12+9 16 123+456-52*8 17 45%+6325 18 1/2+1/3+1/4 19 789+456-78 20 45%+54%-36% 2+1/[1-(3/4)] (3/4)*(2/5)/(3/4)*(2/5) 4/(1/5)-(1/5)/4 (16/5)/(5/9)*(5/16) [(3/4)-(1/2)-(1/6)]*12 3/(3/4)-(3/4)/3 [(5/6)-(2/3)]/[2-(1/2)] 2又(1/3)+1又(4/21)+5又(2/3) 9又(1/6)+3又(3/20)+6又(5/6) 3又(5/9)+6又(7/13)+4又(6/13) 2又(1/8)+7又(8/15)+2又(1/15) 2又(1/15)*5+7又(7/8) 4又(2/5)-2又(1/2)+3又(1/4) 7又(3/8)+[12-2又(7/12)] 4又(2/9)+5又(2/15) 3又(12/17)+5又(5/17) 1又(5/16)+8又(5/6) 9又(2/7)-4又(6/17) (12/19)*(18/27) (45/15)+(75/15)-(25/15)解比例:1.38:60=x:302.25:40=x:603.11:50=x:1004.18:25=x:755.85:1664=x:6124 4分之X=8分之14X分之7=8分之39分之8=X分之212分之X=4分之3 7:3.5=x:7 55:66=5:x 3:7=x:14 14:1=35:x 100:50=x:25 55:77=x:7 57:3=x:1 7:8=56:x 3:x=18:6 7:x=14:7 18:x=2:4 78:87=x:174 100:1000=x:10 1.1:2.2=3.3:x 9.8:8.9=x:115.7 3:2=9;x 21:14=3:x 3.6:0.6=x:3.6 9:81=X:40.5 500:1000=5:x x:1/8=1/3:1/64右3/4:x=5:1/192右2/3:x=1/3:76右1/2:x=3.15:4x:3/4=12:1/8 27:x=4.5:617:12=7:x1.3:18=x:3.60.3:0.5=0.9:x0.3:2X=1:650—X/4=0。8:1/249:(10—X)=14:21/15:1/5=1/X:1/3 2.4分之X=15分之51.05分之0.9=5.25分之X7.4分之7=X分之0.254.5分之X=9分之215分之1:X=12F分之52分之1=10分之3:3分之17。5分之1:X分之0。48分之3:X=3:24 ⑴X∶21=6∶14 ⑵X∶4/5=5/12∶10 ⑶26∶X=1∶2 ⑷2∶120=1∶X ⑸5∶X=10∶15 ⑹7.5/1.5=X∶3 ⑺1/6∶1/3=1/5∶X ⑻X∶24=3∶8⑼1/2∶1/3=X∶1/2 ⑽12∶X=18∶6 ⑾4∶8=5∶X 方程:(1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1/2x-8=4 (15)x-5/6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/7x-8=4 (30)3x-8=30 (31)6x+6=12 (32)3x-3=1 (33)5x-3x=4 (34)2x+16=19 (35)5x+8=19 (36)14-6x=8 (37)15+6x=27 (38)5-8x=4 (39)7x+8=15 (40)9-2x=1 (41)4+5x=9 (42)10-x=8 (43)8x+9=17 (44)9+6x=14 (45)x+9x=4+7 (46)2x+9=17 (47)8-4x=6 (48)6x-7=12 (49)7x-9=8 (50)x-56=1 (51)8-7x=1 (52)x-30=12 (53)6x-21=21 (54)6x-3=6 (55)9x=18 (56)4x-18=13 (57)5x+9=11 (58)6-2x=11 (59)x+4+8=23 (60)7x-12=8 (61)X-5.7=2.15 (62)15 5X-2X=18 (62)3X 0.7=5 (63)3.5×2= 4.2 x (64)26×1.5= 2x (65)0.5×16―16×0.2=4x (66)9.25-X=0.403 (67)16.9÷X=0. 3 (68)X÷0.5=2.6 (69)x+13=33 (70)3 - 5x=80 (71)1.8- 6x=54 (72)6.7x -60.3=6.7 (73)9 +4x =40 (74)0.2x-0.4+0.5=3.7 (75)9.4x-0.4x=16.2 (76)12 -4x=20 (77)1/3 x+5/6 x=1.4 (78)12 x+34 x=1 (79)18x-14 x= 12 (80)23 x-5×14 = 14 (81)12 +34 x=56 (82)22-14 x= 12 (83)23 x-14 x= 14 (84)x+14 x= 65 (85)23 x=14 x +14 (86)30 x-12 x -14 x=1 5x-2x=30 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 23.4=2x=56 4x-x=48.6 (1) x2-4=0 (2) x2=256 (3) x2-7=0 (4) x2-9=0 (5) 4y2=9 (6) 16x2-49=0 (7) 2x2-32=0 (8) t2-45=0 (9) (6x-1)2=5 (10) (x+3)=2 (11) (2x-5)2=5 (12) (x+1)2-12=0 (13) (x-5)2-36=0 (14) 3x2-x=15-x (1) x2-4x-3=0 (2) 2x2+3=7x (3) x2-6x+4=0 (4) x2+5x-6=0 (5) 2t2-7t=0 (6) 3x2-1=6x (7) x2+6x+8=0 (8) x2+4x-12=0 (9) x2+10x=24 (10) x2-8x+15=0 (11) x2+2x-99=0 (12) y2+5y+2=0 (13) 3x2-1=4x (14) x2+x-72=0 (15) x2-5x+6=0 (16) x2-0.5x-0.06=0 (17) 2x2=3-7x (18) y2-6y-6=0 (1) x2-3x+2=0 (2) 2x2+7x=4 (3) x2-2 (4) 2x2-mx-m2=0 (5) 2x2+5x-3=0 (6) t2+2t=5 (7) 6x2-13x-5=o (8) 2y2-4y-1=0 (9) p(p-8)=16 (10) 0.3x2+x=0.8 (11) x2+6x+8=o (12) x2+4x-12=0 (13) x2-10x=-24 (14) x2-8x+15=0 (15) x2+2x-99=0 (16) y2+5y+2=0 (17) 3x2-1=4x (18) x2+2x-2=0 (19) 3x2+4x-7=0 (20) 2y2+8y-1=0 (21) 3y2-2y=1 (22) x(x+8)=16 (23) (4y-3)(3y-1)=4 (24) x2-2.4x-13=0 (25) 5x+2=3x2 (26) 2x2+ (27) 3y2+1=2 (28) (30) x2+3=2 x (31) x2-3 x+2=0 (32) x2-m(3x-2m+n)-n2=0 (34) x2+x-1=0(精确到0.001) (35) x2+3x-5=0(精确到0.001) (1) x2-3x-10=0 (2) (x+3)(x-1)=5 (3) 3x2-16x+5=0 (4) 3x(x+2)=5(x+2) (5) (3x+1)2-5=0 (6) 3(2x2-1)=7x (7) x2+7x+12=0 (8 ) x2-10x+16=0 (9) x2+3x-10=0 (10) x2-6x-40=0 (11) (x+1)(x+3)=15 (12) (y-1)2+2y(y-1)=0 (13) 3x2-7x+2=0 (14) 2x2-11x-21=0 (15) x2+7x+6=0 (16) (3x+2)2=4(x-3)2 (17) y2-17y+30=0 (18) y2-7y-60=o (19) x2+10x-11=0 (20) x2-12x-28=0 (21) t(t+3)=28 (22) 6x2-31x+35=o (23) 5x2+4x=o (24) 6x2-13x-15=0 (25) 9(2x+3)2-4(2x-5)2=0 (26) (2y+1)2+3(2y+1)+2=0 (27) (28) 5m2x2-17mx+14=0(m 0) (29) 10a2x2+13abx-3b2=0(a 0) (1) x2-3x+2=0 (2) x2-3x-2=0 (3) x2+12x+27=0 (4) (x-1)(x+2)=7 (5) (3-t)2+t2=9 (6) (y-2)2=3 (7) (2x+3)2=3(4x+3) (8) y+ (9) (2x-1)(x+3)=4 (10) x3-1=(x-1)3 (11) 3x(x-1)=2-2x (12) x2+2a2=3ax (13) (a2-b2)x2-4abx=a2-b2 (14) (b-c)x2+(c-a)x+(a-b)=o 1. 7Y+5=40 2. Y+Y=16 *3. X+X=X *4. (Y-7)x10+0=(15+90)-15x6 X-5.7=2.15X 4(X-3)-2X=18 3X+0.7=5X 3.5×2= 4.2+x 26×1.5= 2x+10 0.5×16X―16×0.2=4x 13 9.25-X=0.403 16.9÷X=0. 3 X÷0.5=2.6 x+13=33 3 - 5x=80 1.8 +6x=54 x+13=33 3 - 5x=80 1.8 +6x=54 6.7x -60.3=6.7 9 +4x =40 (X+8)*3=5X+8 8(X+3)=4X 1/2(X+2)=X 3/4X=2+X 7Y+5=40 Y+Y=16 * X+X=X *(Y-7)x10+0=(15+90)-15x6 1.3-2x=3(3+2x) 2.3(x-21)=2x+3x 3.4x-3x=2+22 4.2(x+3x)=9-3x 5.2(8x+2x)-2x=2+8 6.3+2x+21=5x-1 7.9x+x-2=6X-1 8.4x-8=2+5xX2+1 9.2X8x+2X=12-2x 10.5(2-8x)-4=5(12-2x) 11.3(3X2x-3)=2x+2 12.2(2xX3-2+4x)=x+2 13.2x+4x-2=3x+1-3 14.3(3x+2)+4(5+3x)=1+4x 15.5x+4x(1+3)=2x+1 16.4+2(5-5x)=4x-2 17.4(2x+2x)+2=9(1-2x) 18.2x+x(1+4)=2(3x-4) 19.4-5+2x=2(1+3x)+2 20.6-2(2x+2)=2+2x 21.4+4x+1=1+3x-2 22.3+3x+3=6(2x-4) 23.4(2x+3x)+2=1-4x 24.x-4x+6=4(2xX6) 25.7-2X3x+2=6-2xX4 26.6-6(3-2xX3)=9-3x 27.5(2-4x)-3=2-4x+3 28.5xX3+5=2(8x-3) 29.2(2X3x-4X2)=2(2x-3)] 30.3(2xX2-4x2)=2(2X2+2X) 5X+3X=100-97+3X 3(2xX2-4x2)=2(2X2+2X) X=300 2(8x+2x)-2x=2+8 3+2x+21=5x-1 9x+x-2=6X-1 4x-8=2+5xX2+1 4-5+2x=2(1+3x)+2 4+2(5-5x)=4x-2 2x+x(1+4)=2(3x-4) 4(2x+2x)+2=9(1-2x) 6-2(2x+2)=2+2x 3+3x+3=6(2x-4) 4+4x+1=1+3x-2 4(2x+3x)+2=1-4x x-4x+6=4(2xX6) 7-2X3x+2=6-2xX4 6-6(3-2xX3)=9-3x 5(2-4x)-3=2-4x+3 5xX3+5=2(8x-3) 2(2X3x-4X2)=2(2x-3)] 25÷X=5 X+9X+1X=11 9-4-X=1 34+X=73 5X+10X=150 4X+5X=90 102-X=53 5X+3X=100-97+3X 3(2xX2-4x2)=2(2X2+2X) X=300 3-2x=3(3+2x) 3(2xX2-4x2)=2(2X2+2X) x+13=33 3 - 5x=80 1.8 +6x=54 6.7x -60.3=6.7 9 +4x =40 (X+8)*3=5X+8 8(X+3)=4X 1/2(X+2)=X 3/4X=2+X 7Y+5=40 Y+Y=16 * X+X=X *(Y-7)x10+0=(15+90)-15x6 x+13=33 3 - 5x=80 102-X=53 5X+3X=100-97+3X 3(2xX2-4x2)=2(2X2+2X) X=300 3-2x=3(3+2x) 3(2xX2-4x2)=2(2X2+2X) 5x+10=7x-6 x+8+x=100 5x*2=7x+72 (x+x+x+20)*2=80-4 x-2*8+7=70-60+1 3x=x+x+56-(10x-8) 3X+189=521 4Y+119=22 3X*189=5 8Z/6=458 3X+77=59 4Y-6985=81 87X*13=5 7Z/93=41 15X+863-65X=54 58Y*55=27489 5x+12=7x-18 2x+3=11-6x 11x+42-2x=100-9x-22 8x-3+2x+1=7x+6-5x 2(x-2)+3(4x-1)=9(x-1)+7 2x-10.3x=15 0.52x-(1-0.52)x=80 x/2+3x/2=7 3x+7=32-2x 3x+5(138-x)=540 3x-7(x-1)=3-2(x+3) 18x+3x-3=18-2(2x-1) 3(20-x)=6x-4(x-11) -(x/4-1)=5 3[4(5x-1)-8]=6 3x+5=8 5x-6=14 7x+8=8x+7 2x+5=3x+12 6x-2=3x+7 33x-10=56 5x-3=6x+8 x-12=3x+16 4(x-9)=7x+3 6(x-3)+7=5x+8 3x+(7-x)=17 3.5x+2=4x-1 3x+2(20-x)=50 3x+5=8 5x-6=14 7x+8=8x+7 2x+5=3x+12 6x-2=3x+7 33x-10=56 5a-3=6a+8 x-12=3x+16 4(x-9)=7x+3 6(x-3)+7=5x+8 2(8x+2x)-2x=2+8 3+2x+21=5x-1 9x+x-2=6X-1 4x-8=2+5xX2+1 4-5+2x=2(1+3x)+2 4+2(5-5x)=4x-2 2x+x(1+4)=2(3x-4) 4(2x+2x)+2=9(1-2x) 6-2(2x+2)=2+2x 3+3x+3=6(2x-4) 4+4x+1=1+3x-2 4(2x+3x)+2=1-4x x-4x+6=4(2xX6) 7-2X3x+2=6-2xX4 6-6(3-2xX3)=9-3x 5(2-4x)-3=2-4x+3 5xX3+5=2(8x-3) 2(2X3x-4X2)=2(2x-3)] 25÷X=5 X+9X+1X=11 9-4-X=1 34+X=73 5X+10X=150 4X+5X=90 102-X=53 5X+3X=100-97+3X 3(2xX2-4x2)=2(2X2+2X) X=300 3-2x=3(3+2x) 3(2xX2-4x2)=2(2X2+2X) 简算题:45.55-(6.82+15.55)
34.52-17.87-12.23
6.43-(1.4-0.57)23.75-8.64-3.46
17.83-9.5-7.83-0.5
5.38+88.2-2.38+1.827.38-5.34+2.62-4.66
21.63-(8.5+9.63)
7.5-2.45+7.5+2.450.9+0.99+0.999
5.09-(0.09+1.23)
9.36-(4.36-3.5)609-708+306-108+202-198+497-100
14+15+16+……+45+4697+9996
36.5×1.4-8.51÷3.7
1.3-3.79+9.7-6.21
8×0.4×12.5×2.5
125×(8+0.8+0.08)
35 ÷〔78 -(25 +38 )〕1.7+150 +3.98
17.625-(4.4+58 )
3.35×6.47×2+6.7×3.618.7-3.375-6.625
25×1.25×32
(3.75+4.1+2.35)×9.81.28+9.8+7.72+10.2
12 ×1120 +12 ×2049 4/9×3= 5÷1/3 = 1/2÷1/3 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7-2/3= 2/7×2= 41/12×4= 4÷3/16= 12÷9/4= 75/8 ÷5= 12×16/9= 2/3×3= 8÷9/4 = 5/3÷3/5 = 4/5×5/8= 7/9×9/7= 2.64+3.6= 2.4×50= 3500÷70= = 2+7÷9= 0.3÷3%= 286+198= 314-202= 526+301= 223-99= 1/2×3/5= 1. 89÷100= 0.82+0.08= 73×1= 0.63×10= 4÷10= 17÷1000= 0.56+0.4= 1.25×100= 5.6+99= 43×63/21= 100÷25= 1-0.93= 90-0.9= 18.3×1/3= 794-198= 68×25= 43.3-63/21 = 72×125= = 23/5×5/6 = 20/3×12= 1/2-1/6= 30.25×4/5= 5/6-1/2= 1/2×1/5=
1. 3.375+5.75+2.25+6.625 2. 72 ÷9 3. ÷18 4. 3.8×5.25+14.5 5. 6. 7. 50减去12.5的差,除以2.5商是多少? 8. 某数的6倍与4 的和等于19.25,求某数。(方程解) (二) 1. 15.36-3 2. 2.1×4.3+5.7×2.1 3. ( 4. 102×45-328 5. 2.8×3.1+17.6÷8 6. 19.2减去8.5与4.3的和,差是多少? 7. 一个数的30%比18少6,求这个数。 (方程解) (三) 1.
2. 3.5×2.7-52.2÷18 3. 18 4. 3.375×0.97+0.97×6.625 5. (2 6. 5减去2 与1 的积,在除以5 ,商是多少? 7. 某数的 比70多10,求某数? (方程解) (四) 1. 6.54+2.4+3.46+0.6 2. 95.6×1.8+95.6×8.2 3. 600-420÷12 7.344÷3.6-5.4×0.25 4. (2 5. 15.6÷[16×(0.25+0.125)] 6. 158减去80的差除以13,商是多少? 7. 7.5减去一个数的 ,差是6,求这个数。(方程解) (五) 1.
2. 3.9+ 3. ×34 4. 0.15÷0.25+0.75×1.2 5. ( )×0.24 6. 309除以41.25与5.75的和,商是多少? 7. 一个数的 加上1.2等于10,求这个数。(方程解) (六) 1. 2. (25+ )×4 3. 300-4263÷21 4. 0.81÷0.25+5.96 5. 6. 2.6-1÷( )× 7. 5个 除以 与 的和,商是多少? 8. 一个数的 比它的 多4.5,求这个数。(方程解) (七) 1. 12 2. 6.6+2 3. 1.8×3 4. 403÷13×27 5. 1.5×4.2-0.75÷0.25 6. 54的 减去3 除以0.5得商,差是多少? 7. 一个数的65%与 的和是1.5求这个数。(方程解) (八) 1. 14 2. 3.27×4 +3.27×5.7 3. 4. (1.2+ )×4.5÷ 5. ÷32 6. 0.25×80-0.45÷0.9 7. 比47大13的数乘以5减去4.25的差,积是多少? 8. 一个数的3倍减去4.5的差是1.5,求这个数。(方程解) (九) 1. 0.25×2.69×4 2. 4.125× 3.
4. 5. 2.4+2.4×(5.375-3.375) 6. (1 7. 比一个数的 少2.4的数是1.8,求这个数。(方程解) 姓名______学号______ 8. 4.5减去1.5乘以2.5的积,差是多少? (十) 1. 645-45×12 2. ( 3. 0.15+1.2÷0.24-0.45 4. 3.75-(2.35+0.25÷1.25) 5. 76× +23×25%+0.25 6. 10-2.87-7.13 7. 0.96+9.6×9.9 8. 从7.5里减去5.7的 ,差是多少? 9. 一个数的40%减去9.6等于6.4,求这个数。(方程解) (十一) 1. 12.37-3.25-6.75 2. 16×6.8+2.2×16+16 3. 401×19+284 4. 58.7-16.65÷3.7 5. 0.4×4.7×2.5+(2.3+5.3) 6. 3.6除以2.5的商加上12.1的和是多少? 7. 一个数的0.4比0.9多0.5,求这个数。(方程解) (十二) 1. 9.31-1.125-7.875 2. ( )×18 3. 640+128×45 4. 8.2×1.6-0.336÷4.2 5. ( 6. 7. 400乘以0.62与0.08的和,积是多少? 8. 一个数的2.5倍等于37与8的和,求这个数。(方程解)
01是多少? 简便计算 30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×3 0.8×[15.5-(3.21+5.79)] (31.8+3.2×4)÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 194-64.8÷1.8×0.9 36.72÷4.25×9.9 ×6 24÷2.4-2.5×0.8 ()÷7 671×15-974 0.8×[7.9-(2+5)] 469×12+1492 405×() 3.416÷(0.016×35) 0.8×[(10-6.76)÷1.2] 1. (25%-695%-12%)*36 2. 3/4*3/5+3/4*2/5 3. (1-1/4+8/9)/7/9 4 2/3+1/6/3/24+2/21 5 1*8/15*3/5 6 10-3/4/9/10-1/6 7 [(1/3+1/2)/5/6-1/3]/1/7 8 2/3/5+3/5/2+3/4 9 1/[(2-2/3/1/2)]*2/5 10 3^2*3.25678 11 3^3-5 12 4^2-34% 13 3.25-315% 14 7^3+445% 15 12+9 16 123+456-52*8 17 45%+6325 18 1/2+1/3+1/4 19 789+456-78 20 45%+54%-36% 102×4.5 7.8×6.9+2.2×6.9 5.6×0.25 8×(20-1.25) 1)127+352+73+44 (2)89+276+135+33 (1)25+71+75+29 +88 (2)243+89+111+57 ÷28×21 920- 690+47×52-398 148+ 360×24÷32+730 ×54 51+()×23 4215+()÷81 (247+18)×27÷25 36-720÷(360÷18) 1080÷(63-54)×80 (528+912)×5-6178 -904 264+318-8280÷69 (174+209)×26- 9000 814-(278+322)÷15 ÷45 ÷38+504 796-5040÷(630÷7) 285+()÷36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 1.18.1+(3-0.299÷0.23)×1 2.(6.8-6.8×0.55)÷8.5 3.0.12× 4.8÷0.12×4.8 4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 5.6-1.6÷4= 5.38+7.85-5.37= 6.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 7.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 8.10.15-10.75×0.4-5.7 9.5.8×(3.87-0.13)+4.2×3.74 10.32.52-(6+9.728÷3.2)×2.5 11.[(7.1-5.6)×0.9-1.15] ÷2.5 12.5.4÷[2.6×(3.7-2.9)+0.62] 13.12×6÷(12-7.2)-6 14.12×6÷7.2-6 15.33.02-(148.4-90.85)÷2.5 1. 9.31-1.125-7.875 2. ( )×18 3. 640+128×45 4. 8.2×1.6-0.336÷4.2 5. ( 6. 7. 400乘以0.62与0.08的和,积是多少? 8. 一个数的2.5倍等于37与8的和,求这个数。(方程解)1.125*3+125*5+25*3+25 2.*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7. 8× 5/4 + 1/4 8. 6÷ 3/8 – 3/8 ÷6 9. 4/7 × 5/9 + 3/7 × 5/9 10. 5/2 -( 3/2 + 4/5 ) 11. 7/8 + ( 1/8 + 1/9 ) 12. 9 × 5/6 + 5/6 13. 3/4 × 8/9 - 1/3 14. 7 × 5/49 + 3/14 15. 6 ×( 1/2 + 2/3 ) 16. 8 × 4/5 + 8 × 11/5 17. 31 × 5/6 – 5/6 18. 9/7 - ( 2/7 – 10/21 ) 19. 5/9 × 18 – 14 × 2/7 20. 4/5 × 25/16 + 2/3 × 3/4 21. 14 × 8/7 – 5/6 × 12/15 22. 17/32 – 3/4 × 9/24 23. 3 × 2/9 + 1/3 24. 5/7 × 3/25 + 3/7 25. 3/14 ×× 2/3 + 1/6 26. 1/5 × 2/3 + 5/6 27. 9/22 + 1/11 ÷ 1/2 28. 5/3 × 11/5 + 4/3 29. 45 × 2/3 + 1/3 × 15 30. 7/19 + 12/19 × 5/6 31. 1/4 + 3/4 ÷ 2/3 32. 8/7 × 21/16 + 1/2 33. 101 × 1/5 – 1/5 × 21 34.50+160÷40 35.120-144÷18+35 36.347+45×2-4160÷52 37(58+37)÷(64-9×5) 38.95÷(64-45) 39.178-145÷5×6+42 40.812-700÷(9+31×11) 41.85+14×(14+208÷26) 43.120-36×4÷18+35 44.(58+37)÷(64-9×5) 45.(6.8-6.8×0.55)÷8.5 46.0.12× 4.8÷0.12×4.8 47.(3.2×1.5+2.5)÷1.6 48.6-1.6÷4= 5.38+7.85-5.37= 49.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 50.6.5×(4.8-1.2×4)= 51.5.8×(3.87-0.13)+4.2×3.74 52.32.52-(6+9.728÷3.2)×2.5 53.[(7.1-5.6)×0.9-1.15] ÷2.5 54.5.4÷[2.6×(3.7-2.9)+0.62] 55.12×6÷(12-7.2)-6 56.12×6÷7.2-6 57.0.68×1.9+0.32×1.9 58.58+370)÷(64-45) 59.420+580-64×21÷28 60.136+6×(65-345÷23) 15-10.75×0.4-5.7 62.18.1+(3-0.299÷0.23)×1 63.(6.8-6.8×0.55)÷8.5 64.0.12× 4.8÷0.12×4.8 65.(3.2×1.5+2.5)÷1.6 66.3.2×6+(1.5+2.5)÷1.6 67.0.68×1.9+0.32×1.9 68.10.15-10.75×0.4-5.7 69.5.8×(3.87-0.13)+4.2×3.74 70.32.52-(6+9.728÷3.2)×2.5 71.[(7.1-5.6)×0.9-1.15] ÷2.5 72.5.4÷[2.6×(3.7-2.9)+0.62] 73.12×6÷(12-7.2)-6 74.12×6÷7.2-6 75.33.02-(148.4-90.85)÷2.5 1) 76.(25%-695%-12%)*36 77./4*3/5+3/4*2/5 78.1-1/4+8/9/7/9 79.+1/6/3/24+2/21 80./15*3/5 81.3/4/9/10-1/6 82./3+1/2)/5/6-1/3]/1/7 83./5+3/5/2+3/4 84.(2-2/3/1/2)]*2/5 85.+9 86.3+456-52*8 87.5%+6325 88./2+1/3+1/ 75÷〔138÷(100-54)〕 85×(95-1440÷24) 80400-(÷15) 240×78÷(154-115) ×563 〔75-(12+18)〕÷15 2160÷〔(83-79)×18〕 280+840÷24×5 325÷13×(266-250) 85×(95-1440÷24) 58870÷(105+20×2) ×563 81432÷(13×52+78) [37.85-(7.85+6.4)] ×30 156×[(17.7-7.2)÷3] (947-599)+76×64 36×(913-276÷23) [192-(54+38)]×67 [(7.1-5.6)×0.9-1.15]÷2.5 81432÷(13×52+78) 5.4÷[2.6×(3.7-2.9)+0.62] (947-599)+76×64 60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4 1.25×2.4) 0.8×〔15.5-(3.21 5.79)〕 (31.8 3.2×4)÷5 194-64.8÷1.8×0.9 36.72÷4.25×9.9 3.416÷(0.016×35) 0.8×[(10-6.76)÷1.2] (136+64)×(65-345÷23) (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 (58+37)÷(64-9×5) 812-700÷(9+31×11) (3.2×1.5+2.5)÷1.6 85+14×(14+208÷26) 120-36×4÷18+35 (284+16)×(512-8208÷18) 9.72×1.6-18.305÷7 4/7÷[1/3×(3/5-3/10)] (4/5+1/4)÷7/3+7/10 12.78-0÷( 13.4+156.6 ) 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 3.2×(1.5+2.5)÷1.6 85+14×(14+208÷26) (58+37)÷(64-9×5) (6.8-6.8×0.55)÷8.5 (284+16)×(512-8208÷18) 0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6 120-36×4÷18+35 10.15-10.75×0.4-5.7 5.8×(3.87-0.13)+4.2×3.74 347+45×2-4160÷52 32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5) [(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6 5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6 3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6 5.8×(3.87-0.13)+4.2×3.74 33.02-(148.4-90.85)÷2.5 二) 1. 15.36-3 2. 2.1×4.3+5.7×2.1 3. ( 4. 102×45-328 5. 2.8×3.1+17.6÷8 6. 19.2减去8.5与4.3的和,差是多少? 7. 一个数的30%比18少6,求这个数。 (方程解) (三) 1.
2. 3.5×2.7-52.2÷18 3. 18 4. 3.375×0.97+0.97×6.625 5. (2 6. 5减去2 与1 的积,在除以5 ,商是多少? 7. 某数的 比70多10,求某数? (方程解) (四) 1. 6.54+2.4+3.46+0.6 2. 95.6×1.8+95.6×8.2 3. 600-420÷12 7.344÷3.6-5.4×0.25 4. (2 5. 15.6÷[16×(0.25+0.125)] 6. 158减去80的差除以13,商是多少? 7. 7.5减去一个数的 ,差是6,求这个数。(方程解) (五) 1.
2. 3.9+ 3. ×34 4. 0.15÷0.25+0.75×1.2 5. ( )×0.24 6. 309除以41.25与5.75的和,商是多少? 7. 一个数的 加上1.2等于10,求这个数。(方程解) (六) 1. 2. (25+ )×4 3. 300-4263÷21 4. 0.81÷0.25+5.96 5. 6. 2.6-1÷( )× 7. 5个 除以 与 的和,商是多少? 8. 一个数的 比它的 多4.5,求这个数。(方程解) (七) 1. 12 2. 6.6+2 3. 1.8×3 4. 403÷13×27 5. 1.5×4.2-0.75÷0.25 6. 54的 减去3 除以0.5得商,差是多少? 7. 一个数的65%与 的和是1.5求这个数。(方程解) (八) 1. 14 2. 3.27×4 +3.27×5.7 3. 4. (1.2+ )×4.5÷ 5. ÷32 6. 0.25×80-0.45÷0.9 7. 比47大13的数乘以5减去4.25的差,积是多少? 8. 一个数的3倍减去4.5的差是1.5,求这个数。(方程解) (九) 1. 0.25×2.69×4 2. 4.125× 3.
4. 5. 2.4+2.4×(5.375-3.375) 6. (1 7. 比一个数的 少2.4的数是1.8,求这个数。(方程解) 姓名______学号______ 8. 4.5减去1.5乘以2.5的积,差是多少? (十) 1. 645-45×12 2. ( 3. 0.15+1.2÷0.24-0.45 4. 3.75-(2.35+0.25÷1.25) 5. 76× +23×25%+0.25 6. 10-2.87-7.13 7. 0.96+9.6×9.9 8. 从7.5里减去5.7的 ,差是多少? 9. 一个数的40%减去9.6等于6.4,求这个数。(方程解) (十一) 1. 12.37-3.25-6.75 2. 16×6.8+2.2×16+16 3. 401×19+284 4. 58.7-16.65÷3.7 5. 0.4×4.7×2.5+(2.3+5.3) 6. 3.6除以2.5的商加上12.1的和是多少? 7. 一个数的0.4比0.9多0.5,求这个数。(方程解)
1、解比例11:x=3:12
x:10%=3:0.47:2.8 =32:x
12.56:4=x:12
(312.5%-3.125)×()
1÷(1/4-1/6) ×1/915-4.25×2.5
5.4×7.09-5.4×0.09
四、计算题。(共20分) 1、 直接写出得数。(每题0.5分) ÷15 = 0.375×0.625= × = 1÷124 = 124÷4 = 5×20%÷5×20%= 124 -102 = 2、 解下列方程。(每题2分) 12x- x=451 50%x-1.2×12 =1.6 3、 脱式计算。(能简算的要简算。)(每题3分) ( .1 )×2 ÷3 1÷(128-12 )×17.2 12.78-0÷( 13.4+156.6 ) 12457÷〔 14578-( 145+248 )×13.4 4、 列式计算。(每题3分) (1) 57与31 的积,等于一个数的50%,这个数是多少? (2)12与851 的积除以它们的差,商是多少? 五、应用题。(第一题4分,2—5题每题5分) 1宇花小学搞基建,原计划投资400万元,实际比原计划节约了10%,实际节约了多少万元? 2、六(1)班有女生20人,相当于男生的 ,全班共有学生多少人? 3、打一份稿件,甲单独打要18小时完成,乙单独打要12小时完成,两人和打几小时可打这份稿件的 ? 4、修一条路,第一天修了全长的 ,第二天修了30米,这时已修的和剩下的比是3∶4。这条路全长多少米? 5、李老师写一篇稿子,得稿费3600元。按规定,超过1200以上的部分按20%交纳个人所得税。李老师实得稿费多少元? *6、六年级少先队员参加植树活动,男队员植树的棵数比总棵数的一半多30棵,女队员植树的棵数是男队员的 。六年级少先队员一共植树多少棵?(加10分)
(25%-695%-12%)*36 2. 3/4*3/5+3/4*2/5 3. (1-1/4+8/9)/7/9 4 2/3+1/6/3/24+2/21 5 1*8/15*3/5 6 10-3/4/9/10-1/6 7 [(1/3+1/2)/5/6-1/3]/1/7 8 2/3/5+3/5/2+3/4 9 1/[(2-2/3/1/2)]*2/5 10 3^2*3.25678 11 3^3-5 12 4^2-34% 13 3.25-315% 14 7^3+445% 15 12+9 16 123+456-52*8 17 45%+6325 18 1/2+1/3+1/4 19 789+456-78 20 45%+54%-36% 三、计算题:28% 1. 求长方体的表面积和体积(单位:分米)4% a=8 b=5 c=4 2. 脱式计算(能简算要简算)12% 6/7+2/15+1/7+ 13/15 19/21+5/7-3/14 2/3+5/9-2/3+5/9 8/9-(1/4-1/9)- 3/4 3. 求最下列每组数的最大公约数与最小公倍数 4% 24 和36 18、24和40(只求最小公倍数) 4. 文字题 6% 5/9与7/18的和,再减去1/2,结果是多少? 一个数减去7/15与7/30的差,结果是2/3,这个数是多少?(用方程解) X-5.7=2.15
,15 5X-2X=18,
3X+0.7=5 ,X+X ,X-0.8X=6 ,x+5.6=9.4,
52-x =15 ,1÷x =1.3 ,X+8.3=10.7,15x =3, 3x-8=16, 7(x-2)=2x+3 ,3x+9=2718(x-2)=270, 12x=300-4x, 7x+5.3=7.4, 3x÷5=4.8, 30÷x+25=85, 1.4×8-2x=6,
410-3x=170, 3(x+0.5)=21, 0.5x+8=43, 6x-3x=18 ,1.5x+18=3x ,5×3-x÷2=8 ,0.273÷x=0.35, 1.8x=0.972 ,x÷0.756=90, 9x-40=5, x÷5+9=21, 48-27+5x=31, 10.5+x+21=56, x+2x+18=78, (200-x)÷5=30, (x-140)÷70=4 ,0.1(x+6)=3.3×0.4 ,4(x-5.6)=1.6, 7(6.5+x)=87.5 ,(27.5-3.5)÷x=4, x+19.8=25.8,, 5.6x=33.6, 9.8-x=3.8,
75.6÷x=12.6,5x+12.5=32.3 ,5(x+8)=102 ,x+3x+10=70, 3(x+3)=50-x+3 ,5x+15=60, 3.5-5x=2, 0.3×7+4x=12.5 ,x÷1.5-1.25=0.75,, 4x-1.3×6=2.6, 20-9x=1.2×6.25, 6x+12.8=15.8, 150×2+3x=690, 2x-20=4 ,3x+6=18, 2(2.8+x)=10.4, (x-3)÷2=7.5, 13.2x+9x=33.3, 3x=x+100 ,x+4.8=7.2 ,6x+18=48 ,3(x+2.1)=10.5 ,13(x+5)=169, 2x-97=34.2 ,3.4x-48=26.8 ,,42x+25x=134 ,1.5(x+1.6)=3.6 ,2(x-3)=5.8 ,65x+7=42,
9x+4×2.5=91, 4.2 x+2.5x=134 ,10.5x+6.5x=51, 89x-43x=9.2 ,5x-45=100, 1.2x-0.5x=6.3, 23.4=2x=56, 4.5x-x=28, X-5.7=2.15 ,15 5X-2X=18, 3X+0.7=5 ,3.5×2= 4.2+x, 26×1.5= 2x+10 ,0.5×16―16×0.2=4x, 13 9.25-X=0.403,
16.9÷X=0. 3, X÷0.5=2.6, x+13=33, 3 - 5x=80, 1.8 +6x=54, 6.7x -60.3=6.7 ,9 +4x =40,, 2x+8=16, x/5=10 ,x+7x=8, 9x-3x=6 ,,6x-8=4 ,5x+x=9 ,4/5x=20,
2x-6=12, 7x+7=14, 6x-6=0 ,5x+6=11, 2x-8=10, 1/2x-8=4, x-5/6=7, 3x+7=28,
3x-7=26, 9x-x=16, 24x+x=50, 6/7x-8=4, 3x-8=30 ,6x+6=12 ,3x-3=1 ,5x-3x=4 ,2x+16=19 ,5x+8=19 ,14-6x=8 ,15+6x=27 ,5-8x=4 ,7x+8=15 ,9-2x=1 ,4+5x=9 ,10-x=8 ,8x+9=17 ,x+9x=4+7 ,2x+9=17 ,8-4x=6 ,6x-7=12 ,7x-9=8 ,x-56=1, 8-7x=1, x-30=12, 6x-21=21, 6x-3=6, 9x=18 ,4x-18=13, 5x+9=11, 6-2x=11,x+4+8=23, 7x-12=8, X-5.7=2.15 ,15 5X-2X=18, 3X 0.7=5 ,3.5×2= 4.2 x, 16.9÷X=0.3, X÷0.5=2.6 ,3-5x=80 ,1.8-6x=54 ,6.7x-60.3=6.7, 9 +4x=40, 0.2x-0.4+0.5=3.7 ,9.4x-0.4x=16.2, 12-4x=20 ,1/3x+5/6x=1.4 ,
12x+34x=1 ,18x-14x=12 ,23 x-5×14=14 ,12+34x=56, 22-14x=12, 23x-14x=14, x+14x=65 ,23x=14x+14 ,30x12x-14x=1 ,x-0.7x=3.6 ,
4.25×4/25×4 57.26-(5.26-1.5) 106.25+3.85-2.125+3.875 11.9-2456×21 5/11-4×2.75 13.375+5.75+2.25+6.625 (15.1-9036)÷18 163.8×5.25+14.5 172.1×4.3+5.7×2.1 19.102×45-328 2.8×3.1+16/8 23÷(50-12.5) ÷2.5 24×2/5×1/3 25.6÷110×47+639 3.5×2.7-52.2/18 28-1/7×1/5 3.375×0.97+0.97×6.625 6.54+2.4+3.46+0.6 95.6×1.8+95.6×8.2 35.6-420/12×4 344/3.6-5.4×0.25 16/2+30/2+90/6
0.15/0.25+0.75×1.2 41×(1/2+1/3+1/4)×0.24 42×(25+4)×4 3×63/21-84 0.81/0.25+5.96×5 403÷13×27 46.1.5×4.2-0.75÷0.25 3.27×4 +3.27×5.7 (1.2+ 1.8)×4.5÷32 0.25×80-0.45÷0.9 50.÷32 81.2-11÷7-×3= .5×10.6 = 2/7×3/9 ÷2/7 = -207= 97×360+3×360=3.4×99+3.4 4.8×1.01 0.4×(2.5÷73) (1.6+1.6+1.6+1.6)×25 ( + - )÷ 12.3-2.45-5.7-4.55 2 + 0.125×0.25×64 64.2×87+0.642×+7.8×741-7 17+ 8 0.125× +0.5 2.42 +4.58 -43 25÷100 4.25-3 -(2 -1 ) (1)1.25*17.6+36.1/0.8+2.36*12.5 1.25*17.6+36.1/0.8+2.36*12.5 =(5/4)*17.6+36.1*(5/4)+23.6*(50/4) =176/8+361/8+236/8 =773/8=96.625 (2)7.5*2.3+1.9*2.5 7.5*2.3+1.9*2.5 =7.5*(1.9+0.4)+1.9*2.5 =(7.5+2.5)*1.9+7.5*0.4 =19+3 =22 (3)05 05 =()*(2003+2) =03 (4)276*543-267/276+543*275 276*543-267/276+543*275 =543*(276+275)-267/276 =543*551-267/276 1.125*3+125*5+25*3+25 2.*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7. 8× 5/4 + 1/4 8. 6÷ 3/8 – 3/8 ÷6 9. 4/7 × 5/9 + 3/7 × 5/9 10. 5/2 -( 3/2 + 4/5 ) 11. 7/8 + ( 1/8 + 1/9 ) 12. 9 × 5/6 + 5/6 13. 3/4 × 8/9 - 1/3 14. 7 × 5/49 + 3/14 15. 6 ×( 1/2 + 2/3 ) 16. 8 × 4/5 + 8 × 11/5 17. 31 × 5/6 – 5/6 18. 9/7 - ( 2/7 – 10/21 ) 19. 5/9 × 18 – 14 × 2/7 20. 4/5 × 25/16 + 2/3 × 3/4 21. 14 × 8/7 – 5/6 × 12/15 22. 17/32 – 3/4 × 9/24 23. 3 × 2/9 + 1/3 24. 5/7 × 3/25 + 3/7 25. 3/14 ×× 2/3 + 1/6 26. 1/5 × 2/3 + 5/6 27. 9/22 + 1/11 ÷ 1/2 28. 5/3 × 11/5 + 4/3 29. 45 × 2/3 + 1/3 × 15 30. 7/19 + 12/19 × 5/6 31. 1/4 + 3/4 ÷ 2/3 32. 8/7 × 21/16 + 1/2 33. 101 × 1/5 – 1/5 × 21 34.50+160÷40 35.120-144÷18+35 36.347+45×2-4160÷52 37(58+37)÷(64-9×5) 38.95÷(64-45) 39.178-145÷5×6+42 40.812-700÷(9+31×11) 41.85+14×(14+208÷26) 43.120-36×4÷18+35 44.(58+37)÷(64-9×5) 45.(6.8-6.8×0.55)÷8.5 46.0.12× 4.8÷0.12×4.8 47.(3.2×1.5+2.5)÷1.6 48.6-1.6÷4= 5.38+7.85-5.37= 49.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 50.6.5×(4.8-1.2×4)= 51.5.8×(3.87-0.13)+4.2×3.74 52.32.52-(6+9.728÷3.2)×2.5 53.[(7.1-5.6)×0.9-1.15] ÷2.5 54.5.4÷[2.6×(3.7-2.9)+0.62] 55.12×6÷(12-7.2)-6 56.12×6÷7.2-6 57.0.68×1.9+0.32×1.9 58.58+370)÷(64-45) 59.420+580-64×21÷28 60.136+6×(65-345÷23) 15-10.75×0.4-5.7 62.18.1+(3-0.299÷0.23)×1 63.(6.8-6.8×0.55)÷8.5 64.0.12× 4.8÷0.12×4.8 65.(3.2×1.5+2.5)÷1.6 66.3.2×6+(1.5+2.5)÷1.6 67.0.68×1.9+0.32×1.9 68.10.15-10.75×0.4-5.7 69.5.8×(3.87-0.13)+4.2×3.74 70.32.52-(6+9.728÷3.2)×2.5 71.[(7.1-5.6)×0.9-1.15] ÷2.5 72.5.4÷[2.6×(3.7-2.9)+0.62] 73.12×6÷(12-7.2)-6 74.12×6÷7.2-6 75.33.02-(148.4-90.85)÷2.5 1) 76.(25%-695%-12%)*36 77./4*3/5+3/4*2/5 78.1-1/4+8/9/7/9 79.+1/6/3/24+2/21 80./15*3/5 81.3/4/9/10-1/6 82./3+1/2)/5/6-1/3]/1/7 83./5+3/5/2+3/4 84.(2-2/3/1/2)]*2/5 85.+9 86.3+456-52*8 87.5%+6325 88./2+1/3+1/4 2) 89+456-78 3) 5%+. 3/7 × 49/9 - 4/3 4) 9 × 15/36 + 1/27 5) 2× 5/6 – 2/9 ×3 6) 3× 5/4 + 1/4 7) 94÷ 3/8 – 3/8 ÷6 8) 95/7 × 5/9 + 3/7 × 5/9 9) 6/2 -( 3/2 + 4/5 ) 10) 8 + ( 1/8 + 1/9 ) 11) 8 × 5/6 + 5/6 12) 1/4 × 8/9 - 1/3 13) 10 × 5/49 + 3/14 14) 1.5 ×( 1/2 + 2/3 ) 15) 2/9 × 4/5 + 8 × 11/5 16) 3.1 × 5/6 – 5/6 17) 4/7 - ( 2/7 – 10/21 ) 18) 19 × 18 – 14 × 2/7 19) 5 × 25/16 + 2/3 × 3/4 20) 4 × 8/7 – 5/6 × 12/15 21) 7/32 – 3/4 × 9/24 22) 1、 2/3÷1/2-1/4×2/5 2、 2-6/13÷9/26-2/3 3、 2/9+1/2÷4/5+3/8 4、 10÷5/9+1/6×4 5、 1/2×2/5+9/10÷9/20 6、 5/9×3/10+2/7÷2/5 7、 1/2+1/4×4/5-1/8 8、 3/4×5/7×4/3-1/2 9、 23-8/9×1/27÷1/27 10、 8×5/6+2/5÷4 11、 1/2+3/4×5/12×4/5 12、 8/9×3/4-3/8÷3/4 13、 5/8÷5/4+3/23÷9/11 23) 1.2×2.5+0.8×2.5 24) 8.9×1.25-0.9×1.25 25) 12.5×7.4×0.8 26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5 0.35×1.6+0.35×3.4 0.25×8.6×4 6.72-3.28-1.72 0.45+6.37+4.55 5.4+6.9×3-(25-2.5)2×0 4.8×46+4.8×54 0.8+0.8×2.5 1.25×3.6×8×2.5-12.5×2.4 28×12.5-12.5×20 23.65-(3.07+3.65) (4+0.4×0.25)8×7×1.25 1.65×99+1.65 27.85-(7.85+3.4) 48×1.25+50×1.25×0.2×8 7.8×9.9+0.78 (+681+6)×12 3××6×854 5.15×7/8+6.1-0.60625 1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 ) 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - ( 2/7 – 10/21 ) 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 × 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 – 1/5 × 21 31.50+160÷40 (58+370)÷(64-45) 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36.178-145÷5×6+42 420+580-64×21÷28 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 38.85+14×(14+208÷26) 39.(284+16)×(512-8208÷18) 40.120-36×4÷18+35 41.(58+37)÷(64-9×5) 42.(6.8-6.8×0.55)÷8.5 43.0.12× 4.8÷0.12×4.8 44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 48.10.15-10.75×0.4-5.7 49.5.8×(3.87-0.13)+4.2×3.74 50.32.52-(6+9.728÷3.2)×2.5 51.[(7.1-5.6)×0.9-1.15] ÷2.5 52.5.4÷[2.6×(3.7-2.9)+0.62] 53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6 102×4.5 7.8×6.9+2.2×6.9 5.6×0.25 8×(20-1.25) 1)127+352+73+44 (2)89+276+135+33 (1)25+71+75+29 +88 (2)243+89+111+57 ÷28×21 920- 690+47×52-398 148+ 360×24÷32+730 ×54 51+()×23 4215+()÷81 (247+18)×27÷25 36-720÷(360÷18) 1080÷(63-54)×80 (528+912)×5-6178 -904 264+318-8280÷69 (174+209)×26- 9000 814-(278+322)÷15 ÷45 ÷38+504 796-5040÷(630÷7) 285+()÷36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 1.18.1+(3-0.299÷0.23)×1 2.(6.8-6.8×0.55)÷8.5 3.0.12× 4.8÷0.12×4.8 4.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 5.6-1.6÷4= 5.38+7.85-5.37= 6.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 7.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9= 8.10.15-10.75×0.4-5.7= 9.5.8×(3.87-0.13)+4.2×3.74= 10.32.52-(6+9.728÷3.2)×2.5= 11.[(7.1-5.6)×0.9-1.15] ÷2.5= 12.5.4÷[2.6×(3.7-2.9)+0.62]= 13.12×6÷(12-7.2)-6= 14.12×6÷7.2-6 =15.33.02-(148.4-90.85)÷2.5= (一) 1. 3.375+5.75+2.25+6.625 2. 72 ÷9 3. ÷18 4. 3.8×5.25+14.5 5. 6. 7. 50减去12.5的差,除以2.5商是多少? 8. 某数的6倍与4 的和等于19.25,求某数。(方程解) (二) 1. 15.36-3 2. 2.1×4.3+5.7×2.1 3. ( 4. 102×45-328 5. 2.8×3.1+17.6÷8 6. 19.2减去8.5与4.3的和,差是多少? 7. 一个数的30%比18少6,求这个数。 (方程解) (三) 1.
2. 3.5×2.7-52.2÷18 3. 18 4. 3.375×0.97+0.97×6.625 5. (2 6. 5减去2 与1 的积,在除以5 ,商是多少? 7. 某数的 比70多10,求某数? (方程解) (四) 1. 6.54+2.4+3.46+0.6 2. 95.6×1.8+95.6×8.2 3. 600-420÷12 7.344÷3.6-5.4×0.25 4. (2 5. 15.6÷[16×(0.25+0.125)] 6. 158减去80的差除以13,商是多少? 7. 7.5减去一个数的 ,差是6,求这个数。(方程解) (五) 1.
2. 3.9+ 3. ×34 4. 0.15÷0.25+0.75×1.2 5. ( )×0.24 6. 309除以41.25与5.75的和,商是多少? 7. 一个数的 加上1.2等于10,求这个数。(方程解) (六) 1. 2. (25+ )×4 3. 300-4263÷21 4. 0.81÷0.25+5.96 5. 6. 2.6-1÷( )× 7. 5个 除以 与 的和,商是多少? 8. 一个数的 比它的 多4.5,求这个数。(方程解) (七) 1. 12 2. 6.6+2 3. 1.8×3 4. 403÷13×27 5. 1.5×4.2-0.75÷0.25 6. 54的 减去3 除以0.5得商,差是多少? 7. 一个数的65%与 的和是1.5求这个数。(方程解) (八) 1. 14 2. 3.27×4 +3.27×5.7 3. 4. (1.2+ )×4.5÷ 5. ÷32 6. 0.25×80-0.45÷0.9 7. 比47大13的数乘以5减去4.25的差,积是多少? 8. 一个数的3倍减去4.5的差是1.5,求这个数。(方程解) (九) 1. 0.25×2.69×4 2. 4.125× 3.
4. 5. 2.4+2.4×(5.375-3.375) 6. (1 (十一) 1. 12.37-3.25-6.75 2. 16×6.8+2.2×16+16 3. 401×19+284 4. 58.7-16.65÷3.7 5. 0.4×4.7×2.5+(2.3+5.3) 6. 3.6除以2.5的商加上12.1的和是多少? 7. 一个数的0.4比0.9多0.5,求这个数。(方程解) (十二) 1. 9.31-1.125-7.875 2. ( )×18 3. 640+128×45 4. 8.2×1.6-0.336÷4.2 5. ( 6. 7. 400乘以0.62与0.08的和,积是多少? 8. 一个数的2.5倍等于37与8的和,求这个数。(方程解) 1) 3X-(1/2+1/4)=7/12 3X=7/12+3/4 3X=4/3 X=4/9 (2) 6.6-5X=3/4-4X 6.6-0.75=-4X+5X X=5.85 (3) 1.1X+2.2=5.5-3.3X 1.1X+3.3X=5.5-2.2 4.4X=3.3 X=3/4=4/3 还有 (0.5+x)+x=9.8÷2 2(X+X+0.5)=9.8 25000+x=6x X+X X-0.8X=6 12x-8x=4.8 7.5*2X=15 1.2x=81.6 x+5.6=9.4 52-x =15 91÷x =1.3 X+8.3=10.7 15x =3 3x-8=16 7(x-2)=2x+3 3x+9=2718(x-2)=270 12x=300-4x 7x+5.3=7.4 3x÷5=4.8 30÷x+25=85 1.4×8-2x=6 6x-12.8×3=0.06 410-3x=170 3(x+0.5)=21 0.5x+8=43 6x-3x=18 1.5x+18=3x 5×3-x÷2=8 0.273÷x=0.35 1.8x=0.972 x÷0.756=90 9x-40=5 x÷5+9=21 48-27+5x=31 10.5+x+21=56 x+2x+18=78 (200-x)÷5=30 (x-140)÷70=4 0.1(x+6)=3.3×0.4 4(x-5.6)=1.6 7(6.5+x)=87.5 (27.5-3.5)÷x=4 x+19.8=25.8 5.6x=33.6 9.8-x=3.8 75.6÷x=12.6 5x+12.5=32.3 5(x+8)=102 x+3x+10=70 3(x+3)=50-x+3 5x+15=60 3.5-5x=2 0.3×7+4x=12.5 x÷1.5-1.25=0.75 4x-1.3×6=2.6 20-9x=1.2×6.25 6x+12.8=15.8 150×2+3x=690 2x-20=4 3x+6=18 2(2.8+x)=10.4 (x-3)÷2=7.5 13.2x+9x=33.3 3x=x+100 x+4.8=7.2 6x+18=48 3(x+2.1)=10.5 12x-9x=8.7 13(x+5)=169 2x-97=34.2 3.4x-48=26.8 42x+25x=134 1.5(x+1.6)=3.6 2(x-3)=5.8 65x+7=42 9x+4×2.5=91 4.2 x+2.5x=134 10.5x+6.5x=51 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 23.4=2x=56 4x-x=48.6 4.5x-x=28 X-5.7=2.15 15 5X-2X=18 3X+0.7=5 3.5×2= 4.2+x 26×1.5= 2x+10 0.5×16―16×0.2=4x 13 9.25-X=0.403 16.9÷X=0. 3 X÷0.5=2.6 x+13=33 3 - 5x=80 1.8 +6x=54 6.7x -60.3=6.7 9 +4x =40 2x+8=16 x/5=10 x+7x=8 9x-3x=6 6x-8=4 5x+x=9 x-8=6x 4/5x=20 2x-6=12 7x+7=14 6x-6=0 5x+6=11 2x-8=10 1/2x-8=4 x-5/6=7 3x+7=28 3x-7=26 9x-x=16 24x+x=50 6/7x-8=4 3x-8=30 6x+6=12 3x-3=1 5x-3x=4 2x+16=19 5x+8=19 14-6x=8 15+6x=27 5-8x=4 7x+8=15 9-2x=1 4+5x=9 10-x=8 8x+9=17 9+6x=14 x+9x=4+7 2x+9=17 8-4x=6 6x-7=12 7x-9=8 x-56=1 8-7x=1 x-30=12 6x-21=21 6x-3=6 9x=18 4x-18=13 5x+9=11 6-2x=11 x+4+8=23 7x-12=8 X-5.7=2.15 15 5X-2X=18 3X 0.7=5 3.5×2= 4.2 x 26×1.5= 2x 0.5×16―16×0.2=4x 9.25-X=0.403 16.9÷X=0.3 X÷0.5=2.6 3-5x=80 1.8-6x=54 6.7x-60.3=6.7 9 +4x=40 0.2x-0.4+0.5=3.7 9.4x-0.4x=16.2 12-4x=20 1/3x+5/6x=1.4 12x+34x=1 18x-14x=12 23 x-5×14=14 12+34x=56 22-14x=12 23x-14x=14 x+14x=65 23x=14x+14 30x12x-14x=1 x-0.7x=3.6 1.3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 ) 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - ( 2/7 – 10/21 ) 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 ×× 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 – 1/5 × 21 31.58+42= (2)87-45= (3)125×8= 32.50×12= (5)804÷4= (6)134+66= 33.1000-98= (8)720÷5= (9)0÷47= 17/32 – 3/4 × 9/24 3 × 2/9 + 1/3 5/7 × 3/25 + 3/7 3/14 ×× 2/3 + 1/6 1/5 × 2/3 + 5/6 9/22 + 1/11 ÷ 1/2 5/3 × 11/5 + 4/3 45 × 2/3 + 1/3 × 15 7/19 + 12/19 × 5/6 1/4 + 3/4 ÷ 2/3 8/7 × 21/16 + 1/2 101 × 1/5 – 1/5 × 21 3/7 × 49/9 - 4/3 8/9 × 15/36 + 1/27 12× 5/6 – 2/9 ×3 8× 5/4 + 1/4 6÷ 3/8 – 3/8 ÷6 4/7 × 5/9 + 3/7 × 5/9 5/2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 ) 9 × 5/6 + 5/6 3/4 × 8/9 - 1/3 7 × 5/49 + 3/14 6 ×( 1/2 + 2/3 ) 8 × 4/5 + 8 × 11/5 31 × 5/6 – 5/6 9/7 - ( 2/7 – 10/21 ) 5/9 × 18 – 14 × 2/7 4/5 × 25/16 + 2/3 × 3/4 14 × 8/7 – 5/6 × 12/15 17/32 – 3/4 × 9/24 3 × 2/9 + 1/3 5/7 × 3/25 + 3/7 3/14 ×× 2/3 + 1/6 1/5 × 2/3 + 5/6 9/22 + 1/11 ÷ 1/2 8分之7乘以16分之13乘以16分之13 3分之2乘以28分之15乘以21分之5 7分之5乘以35乘以21分之8 5/3 × 11/5 + 4/3 45 × 2/3 + 1/3 × 15 7/19 + 12/19 × 5/6 1/4 + 3/4 ÷ 2/3 8/7 × 21/16 + 1/2 101 × 1/5 – 1/5 × 2 1.25*3+125*5+25*3+25 2.*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7. 8× 5/4 + 1/4 8. 6÷ 3/8 – 3/8 ÷6 9. 4/7 × 5/9 + 3/7 × 5/9 10. 5/2 -( 3/2 + 4/5 ) 11. 7/8 + ( 1/8 + 1/9 ) 12. 9 × 5/6 + 5/6 13. 3/4 × 8/9 - 1/3 14. 7 × 5/49 + 3/14 15. 6 ×( 1/2 + 2/3 ) 16. 8 × 4/5 + 8 × 11/5 17. 31 × 5/6 – 5/6 18. 9/7 - ( 2/7 – 10/21 ) 19. 5/9 × 18 – 14 × 2/7 20. 4/5 × 25/16 + 2/3 × 3/4 21. 14 × 8/7 – 5/6 × 12/15 22. 17/32 – 3/4 × 9/24 23. 3 × 2/9 + 1/3 24. 5/7 × 3/25 + 3/7 25. 3/14 ×× 2/3 + 1/6 26. 1/5 × 2/3 + 5/6 27. 9/22 + 1/11 ÷ 1/2 28. 5/3 × 11/5 + 4/3 29. 45 × 2/3 + 1/3 × 15 30. 7/19 + 12/19 × 5/6 31. 1/4 + 3/4 ÷ 2/3 32. 8/7 × 21/16 + 1/21.125*3+125*5+25*3+25 2.*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 × 49/9 - 4/3 5. 8/9 × 15/36 + 1/27 6. 12× 5/6 – 2/9 ×3 7. 8× 5/4 + 1/4 8. 6÷ 3/8 – 3/8 ÷6 9. 4/7 × 5/9 + 3/7 × 5/9 10. 5/2 -( 3/2 + 4/5 ) 11. 7/8 + ( 1/8 + 1/9 ) 12. 9 × 5/6 + 5/6 13. 3/4 × 8/9 - 1/3 14. 7 × 5/49 + 3/14 15. 6 ×( 1/2 + 2/3 ) 16. 8 × 4/5 + 8 × 11/5 17. 31 × 5/6 – 5/6 18. 9/7 - ( 2/7 – 10/21 ) 19. 5/9 × 18 – 14 × 2/7 20. 4/5 × 25/16 + 2/3 × 3/4 21. 14 × 8/7 – 5/6 × 12/15 22. 17/32 – 3/4 × 9/24 23. 3 × 2/9 + 1/3 24. 5/7 × 3/25 + 3/7 25. 3/14 ×× 2/3 + 1/6 26. 1/5 × 2/3 + 5/6 27. 9/22 + 1/11 ÷ 1/2 28. 5/3 × 11/5 + 4/3 29. 45 × 2/3 + 1/3 × 15 30. 7/19 + 12/19 × 5/6 31. 1/4 + 3/4 ÷ 2/3 32. 8/7 × 21/16 + 1/2 33. 101 × 1/5 – 1/5 × 21 34.50+160÷40 35.120-144÷18+35 36.347+45×2-4160÷52 37(58+37)÷(64-9×5) 38.95÷(64-45) 39.178-145÷5×6+42 40.812-700÷(9+31×11) 41.85+14×(14+208÷26) 43.120-36×4÷18+35 44.(58+37)÷(64-9×5) 45.(6.8-6.8×0.55)÷8.5 46.0.12× 4.8÷0.12×4.8 47.(3.2×1.5+2.5)÷1.6 48.6-1.6÷4= 5.38+7.85-5.37= 49.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 50.6.5×(4.8-1.2×4)= 51.5.8×(3.87-0.13)+4.2×3.74 52.32.52-(6+9.728÷3.2)×2.5 53.[(7.1-5.6)×0.9-1.15] ÷2.5 54.5.4÷[2.6×(3.7-2.9)+0.62] 55.12×6÷(12-7.2)-6 56.12×6÷7.2-6 57.0.68×1.9+0.32×1.9 58.58+370)÷(64-45) 59.420+580-64×21÷28 60.136+6×(65-345÷23) 15-10.75×0.4-5.7 62.18.1+(3-0.299÷0.23)×1 63.(6.8-6.8×0.55)÷8.5 64.0.12× 4.8÷0.12×4.8 65.(3.2×1.5+2.5)÷1.6 66.3.2×6+(1.5+2.5)÷1.6 67.0.68×1.9+0.32×1.9 68.10.15-10.75×0.4-5.7 69.5.8×(3.87-0.13)+4.2×3.74 70.32.52-(6+9.728÷3.2)×2.5 71.[(7.1-5.6)×0.9-1.15] ÷2.5 72.5.4÷[2.6×(3.7-2.9)+0.62] 73.12×6÷(12-7.2)-6 74.12×6÷7.2-6 75.33.02-(148.4-90.85)÷2.5 1) 76.(25%-695%-12%)*36 77./4*3/5+3/4*2/5 78.1-1/4+8/9/7/9 79.+1/6/3/24+2/21 80./15*3/5 81.3/4/9/10-1/6 82./3+1/2)/5/6-1/3]/1/7 83./5+3/5/2+3/4 84.(2-2/3/1/2)]*2/5 85.+9 86.3+456-52*8 87.5%+6325 88./2+1/3+1/4 2) 89+456-78 3) 5%+. 3/7 × 49/9 - 4/3 4) 9 × 15/36 + 1/27 5) 2× 5/6 – 2/9 ×3 6) 3× 5/4 + 1/4 7) 94÷ 3/8 – 3/8 ÷6 8) 95/7 × 5/9 + 3/7 × 5/9 9) 6/2 -( 3/2 + 4/5 ) 10) 8 + ( 1/8 + 1/9 ) 11) 8 × 5/6 + 5/6 12) 1/4 × 8/9 - 1/3 13) 10 × 5/49 + 3/14 14) 1.5 ×( 1/2 + 2/3 ) 15) 2/9 × 4/5 + 8 × 11/5 16) 3.1 × 5/6 – 5/6 17) 4/7 - ( 2/7 – 10/21 ) 18) 19 × 18 – 14 × 2/7 19) 5 × 25/16 + 2/3 × 3/4 20) 4 × 8/7 – 5/6 × 12/15 21) 7/32 – 3/4 × 9/24 22) 1、 2/3÷1/2-1/4×2/5 2、 2-6/13÷9/26-2/3 3、 2/9+1/2÷4/5+3/8 4、 10÷5/9+1/6×4 5、 1/2×2/5+9/10÷9/20 6、 5/9×3/10+2/7÷2/5 7、 1/2+1/4×4/5-1/8 8、 3/4×5/7×4/3-1/2 9、 23-8/9×1/27÷1/27 10、 8×5/6+2/5÷4 11、 1/2+3/4×5/12×4/5 12、 8/9×3/4-3/8÷3/4 13、 5/8÷5/4+3/23÷9/11 23) 1.2×2.5+0.8×2.5 24) 8.9×1.25-0.9×1.25 25) 12.5×7.4×0.8 26) 9.9×6.4-(2.5+0.24)(27) 6.5×9.5+6.5×0.5 0.35×1.6+0.35×3.4 0.25×8.6×4 6.72-3.28-1.72 0.45+6.37+4.55 5.4+6.9×3-(25-2.5)2×0 4.8×46+4.8×54 0.8+0.8×2.5 1.25×3.6×8×2.5-12.5×2.4 28×12.5-12.5×20 23.65-(3.07+3.65) (4+0.4×0.25)8×7×1.25 1.65×99+1.65 27.85-(7.85+3.4) 48×1.25+50×1.25×0.2×8 7.8×9.9+0.78 (+681+6)×12 3××6×854 5.15×7/8+6.1-0.60625 1. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 12. 6 ×( 1/2 + 2/3 ) 13. 8 × 4/5 + 8 × 11/5 14. 31 × 5/6 – 5/6 15. 9/7 - ( 2/7 – 10/21 ) 16. 5/9 × 18 – 14 × 2/7 17. 4/5 × 25/16 + 2/3 × 3/4 18. 14 × 8/7 – 5/6 × 12/15 19. 17/32 – 3/4 × 9/24 20. 3 × 2/9 + 1/3 21. 5/7 × 3/25 + 3/7 22. 3/14 × 2/3 + 1/6 23. 1/5 × 2/3 + 5/6 24. 9/22 + 1/11 ÷ 1/2 25. 5/3 × 11/5 + 4/3 26. 45 × 2/3 + 1/3 × 15 27. 7/19 + 12/19 × 5/6 28. 1/4 + 3/4 ÷ 2/3 29. 8/7 × 21/16 + 1/2 30. 101 × 1/5 – 1/5 × 21 31.50+160÷40 (58+370)÷(64-45) 32.120-144÷18+35 33.347+45×2-4160÷52 34(58+37)÷(64-9×5) 35.95÷(64-45) 36.178-145÷5×6+42 420+580-64×21÷28 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 38.85+14×(14+208÷26) 39.(284+16)×(512-8208÷18) 40.120-36×4÷18+35 41.(58+37)÷(64-9×5) 42.(6.8-6.8×0.55)÷8.5 43.0.12× 4.8÷0.12×4.8 44.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 48.10.15-10.75×0.4-5.7 49.5.8×(3.87-0.13)+4.2×3.74 50.32.52-(6+9.728÷3.2)×2.5 51.[(7.1-5.6)×0.9-1.15] ÷2.5 52.5.4÷[2.6×(3.7-2.9)+0.62] 53.12×6÷(12-7.2)-6 (4)12×6÷7.2-6
x;3=9;3\1
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