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12.5X1.36X0.8简便计算

=125/10*8/10*1.36 =1000/100*1.36 =10*1.36 =13.6

=(12.5×0.8)×6.78 =10×6.78 =67.8

12.5x(80+0.8)简便运算如下 12.5x(80+0.8) =12.5x80+12.5x8 =1000+10 =1010

12.5x75x0.8简便计算 12.5x75x0.8 =12.5*0.8*75 =10*75 =750

12.5×0.8×0.6 =10×0.6 =6

3.6X12.5X0.8÷36 =(12.5X0.8)X3.6÷36 =10X0.1 =1

12.5x0.8+1.25x0.8-1.25 =1.25×8+1.28+0.8-1.25 =1.25×(8-0.8-1) =1.25×8.2 =1.25×8+1.25×0.2 =10+0.5 =10.5

12.5x3.9x0.8=(12.5×0.8)×3.9=10×3.9=39

12.5X(8+0.8) =12.5×8+12.5×0.8 =100+10 =110

=12.5×0.8×3.84 =10×3.84 =38.4 如果我的回答能够解决你的问题,希望你能够采纳我,如果有疑问继续追问,衷心感谢你的支持。

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