5x34十4x34十9x3チ0ナ5

简算 谢谢大哥大姐们简算 12.5x0.25x0.05x37x6.412.728除以2.5除以32除以0.x25 34.128除以0.253700除以6.4除以212.5除以0.50.01+0.02+0.03+.+0.09+0.10+0.11+.+0.19+0.2_百度作业帮
简算 谢谢大哥大姐们简算 12.5x0.25x0.05x37x6.412.728除以2.5除以32除以0.x25 34.128除以0.253700除以6.4除以212.5除以0.50.01+0.02+0.03+.+0.09+0.10+0.11+.+0.19+0.2
简算 谢谢大哥大姐们简算 12.5x0.25x0.05x37x6.412.728除以2.5除以32除以0.125796.64x25 34.128除以0.253700除以6.4除以212.5除以0.50.01+0.02+0.03+.+0.09+0.10+0.11+.+0.19+0.2
12.5x0.25x0.05x37x6.4=12.5×0.25×0.05×37×0.4×8×0.2=12.5×8×0.25×0.4×0.05×0.2×37=100×0.1×0.01×37=3.712.728除以2.5除以32除以0.125=12.728÷(2.5×4×8×0.125)=12.728÷(10×1)=1.2728796.64x25=199.16×4×25=199.16×100=19916 34.128除以0.25=34.128÷1/4=34.128×4=136.5123700除以6.4除以212.5除以0.5=3700÷(0.8×4×212.5×2×0.5)=3700÷(0.8×850×1)==370/68=185/340.01+0.02+0.03+.+0.09+0.10+0.11+.+0.19+0.2=0.01×(1+2+3+4+5+6+...20)=0.01×(1+20)×20÷2=0.01×21×10=2.1
你偷懒。这种机械式题目的我们是不会帮的。你可以做。会做。只是你狠懒.
我真不会啊马年端午节下午3ǐ6ƚ5点40分40分出生的宝宝名字_百度宝宝知道3ǐ6ƚ5个Ƴ7的宝宝舌头上有些绿色的脏东西该如何处理_百度宝宝知道求简便运算(要有过程)33x667=?19.98x37-199.8x1.9+=?3.17-2.74+4.7+5.29-0.26+6.3=?34.5x8.23+34.5x2.77-34.5=?0.125x0.25x0.5x64=?75x4.7+15.9x25=?172.4x6.2+=?13.5x9.9+6.5x10.1=?11.8x43-860x0.09=?_百度作业帮
求简便运算(要有过程)33x667=?19.98x37-199.8x1.9+=?3.17-2.74+4.7+5.29-0.26+6.3=?34.5x8.23+34.5x2.77-34.5=?0.125x0.25x0.5x64=?75x4.7+15.9x25=?172.4x6.2+=?13.5x9.9+6.5x10.1=?11.8x43-860x0.09=?
求简便运算(要有过程)33x667=?19.98x37-199.8x1.9+=?3.17-2.74+4.7+5.29-0.26+6.3=?34.5x8.23+34.5x2.77-34.5=?0.125x0.25x0.5x64=?75x4.7+15.9x25=?172.4x6.2+=?13.5x9.9+6.5x10.1=?11.8x43-860x0.09=?
33x667=11+=3333×()==19.98x37-199.8x1.9+=19.98×37-19.88×19+19.98×82=19.98×(37-19+82)=19.98×100=19983.17-2.74+4.7+5.29-0.26+6.3=3.17-(2.74+0.26)+(4.7+6.3)+5.29=3.17-3+11+5.29=0.17+16.29=16.4634.5x8.23+34.5x2.77-34.5=34.5×(8.23+2.77-1)=34.5×10=3450.125x0.25x0.5x64=0.125x0.25x0.5x(2×4×8)=(0.125x8)×(0.25x4)×(0.5x2)=1×1×1=175x4.7+15.9x25=75×4.7+5.3×3×25=75×(4.7+5.3)=750172.4x6.2+=+()×0.38=+×0.38=1724×(0.62+0.38)++13.5x9.9+6.5x10.1=13.5×(10-0.1)+6.5×(10+0.1)=135-13.5×0.1+65+6.5×0.1=200-0.1×(13.5-6.5)=200-0.7=199.311.8x43-860x0.09=11.8×43-43×20×0.09=43×(11.8-1.8)=430
33x667=1+667)=3320002式=19.98x(37+19+82)=19.98x148=148x20-148x0.02=293.043式=(4.7+6.3)-(2.74+0.26)+3.17+5.2916.464式=34.5x(8.23+2.77-1)=34.5x10=3455...
33x667=+667)=33200019.98x37-199.8x1.9+=19.87(37-19+82)=19.87*100=1987 3.17-2.74+4.7+5.29-0.26+6.3=3.17+5.29+4.7+6.3-2.74-0.26=8.46+11-3=16.4634...
33x667=33*(666+1)=99*(222+1/3)=+222+1/3)=(33+1/3)=(0/3=-4000/3==1333200...问大家几道超简单的初中数学题,急急急3x2-4x2-2=02x2-5x-8=06x2-13x-5=0根二x2-4x=四倍根二0.09y2-0.21y+0.1
10x2-11x-6=o14(x-4)2+9(x-4)-65=0字母后的数字为2次方,括号后的数字也同理要有过程,谢谢!_百度作业帮
问大家几道超简单的初中数学题,急急急3x2-4x2-2=02x2-5x-8=06x2-13x-5=0根二x2-4x=四倍根二0.09y2-0.21y+0.1
10x2-11x-6=o14(x-4)2+9(x-4)-65=0字母后的数字为2次方,括号后的数字也同理要有过程,谢谢!
问大家几道超简单的初中数学题,急急急3x2-4x2-2=02x2-5x-8=06x2-13x-5=0根二x2-4x=四倍根二0.09y2-0.21y+0.1
10x2-11x-6=o14(x-4)2+9(x-4)-65=0字母后的数字为2次方,括号后的数字也同理要有过程,谢谢!
-x2=2x2=-2所以原方程无解△=25+64=89>0所以x1=5+根号89/4,x2=5-根号89/4(2x-5)(3x+1)=0所以2x-5=0或3x+1=0所以x1=5/2,x2=-1/3-4x=根二x2x=-根二/29y2-21y+10=0(3y-2)(3y-5)=0所以3y-2=0或3y-5=0所以y1=2/3,y2=5/3(2x-3)(5x+2)=0所以2x-3=0或5x+2=0所以x1=3/2,x2=-2/5[2(x-4)+5][7(x-4)-13]=0所以2(x-4)+5=0或7(x-4)-13=0所以x1=3/2,x2=41/7
晕死了,什么超简单的题。连复数都有了
3*2-4*(2-2)=0&不知道对不对,以前做过
3*2-4*(2-2)=0

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