(+71/4)-(+6.25 2.5 1找规律)-(-1...

1,8,16,( ),32,( ) 3,6,9,15,24,( ),63 1,1,2,3,5,8,13,21,( ) 6.25 2.5 1 ( ) ( ) 1 4 3 8 ( ) ( ) 7_百度知道
1,8,16,( ),32,( ) 3,6,9,15,24,( ),63 1,1,2,3,5,8,13,21,( ) 6.25 2.5 1 ( ) ( ) 1 4 3 8 ( ) ( ) 7
3,6,9,15,24,( ),631,1,2,3,5,8,13,21,( )6.25 2.5 1 ( ) ( )1 4 3 8 ( ) ( ) 71 4 16 ( ) 256 (
)写出过程!要快!!!!!!!!!
我有更好的答案
前两个数相加得第三个数34
前两个数相加得第三个数0.4
单项是依次加3,偶项加464
49 前两个数相加34 同上0.4 0.16 除以2.55 12 奇数为差2 偶数位差464 1024 乘以4
还有了1,8,16,( ),32,( ) 3,6,9,15,24,( ),63 1,1,2,3,5,8,13,21,( ) 6.25 2.5 1 ( ) ( ) 1 4 3 8 ( ) ( ) 71,8,27,( ),125,( )
1.猜想是24 40
除去第一个,差为82-5你问过了好吧6.64 1、2、3、4。。。的三次方
设第几个数为x.x-1*8就可以得出追问的答案24.40
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出门在外也不愁(+71/4)-(+6.25)-(-17/2)-(+0.75)-89/4_百度作业帮
(+71/4)-(+6.25)-(-17/2)-(+0.75)-89/4
(+71/4)-(+6.25)-(-17/2)-(+0.75)-89/4
(+71/4)-(+6.25)-(-17/2)-(+0.75)-89/4 =71/4-25/4+17/4-1/4-89/4=(71-25+17-1-89)/4=-27/4
-27÷9/4×(-9/4)+4-4×(-3/1)
-27÷9/4×(-9/4)+4-4×(-3/1)
=-27×4/9×(-9/4)+4-4×(-3/1)
(-2/3)×1/2+(-1/3)+(-0.5)
(-2/3)×1/2+(-1/3)+(-0.5)
=-1/3-1/3-1/2
(2/3-1/4-3/8)×(-24)
(2/3-1/4-3/8)×(-24)
=-2/3×24+1/4×24+3/8×24
事不过三,再追问就要扣分了,有问题再发到网上啊
原式=71/4-6.25+17/2-0.75-89/4
=17.75-6.25+8.5-0.75-22.25192-55-45= 27+199+73= 8×(125+10)= 57-18+32= 6.25×=
(45-27)×3= 25×19×4= 180-30×6= 8×29+8= 125×16=_百度作业帮
192-55-45= 27+199+73= 8×(125+10)= 57-18+32= 6.25×=
(45-27)×3= 25×19×4= 180-30×6= 8×29+8= 125×16=
192-55-45= 27+199+73= 8×(125+10)= 57-18+32= 6.25×=
(45-27)×3= 25×19×4= 180-30×6= 8×29+8= 125×16=
192-55-45=92 27+199+73=299 8×(125+10)=1080 57-18+32=71 6.25×.5
(45-27)×3=54 25×19×4=1900 180-30×6=0 8×29+8=240 125×16=2000
本题考点:
整数四则混合运算.
问题解析:
192-55-45根据减法的性质进行简算,27+199+73根据加法交换律进行计算,8×(125+10),8×29+8根据乘法分配律进行简算,25×19×4根据乘法交换律进行简算,125×16根据乘法结合律进行简算.-5.3-3.2+2.5-|-5.7|-1/2-26/5-1+16/5-4.5-7/3(+71/4)-(+6.25)-(-17/2)+(-0.75)-(+89/4)_百度作业帮
-5.3-3.2+2.5-|-5.7|-1/2-26/5-1+16/5-4.5-7/3(+71/4)-(+6.25)-(-17/2)+(-0.75)-(+89/4)
-5.3-3.2+2.5-|-5.7|-1/2-26/5-1+16/5-4.5-7/3(+71/4)-(+6.25)-(-17/2)+(-0.75)-(+89/4)
这好像不是心理问题吧?不过问了我就解下吧1 -5.3-3.2+2.5-|-5.7| =-5.3-3.2+2.5-5.7=2.5-(5.3+3.2+5.7)=2.5-14.2=-11.72 -1/2-26/5-1+16/5-4.5-7/3=-0.5-1-4.5-26/5+16/5-7/3=-3-10/5-7/3=-3-2-7/3=-5-7/3=-15/3-7/3=-22/33 (+71/4)-(+6.25)-(-17/2)+(-0.75)-(+89/4)=-6.25-0.75-89/4+71/4+17/2=-7-18/4+17/2=-7-9/2+17/2=-14/2-9/2+17/2=-6/2=-3

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