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1.25 0.7x0.8简便计算

1.25*0.8*0.7=1*0.7=7

1.25x0.7x0.8简便计算=1.25*0.8*0.7=1000*0.001*0.7=0.7

1.25*0.7*0.8=(1.25*0.8)*0.7=1*0.7=0.7

1.25x0.8=1,这已经是简算了.

原式等于1.25*0.8*0.7=1*0.7=0.7 回答完毕~~ 有疑问请追问,无疑问请点击【采纳】~ 祝学习进步~~~\(^o^)/~

1.25x0.7x0.8=1.25x0.8x0.7=1x0.7=0.7问题已解决记的采纳.

=1.25x8÷0.7=10÷0.7=100/7

原式=1.25*0.8*0.7=1*0.7=0.7

1.25*0.8=125*0.01*8*0.1=(125*8)*(0.01*0.1)=1000*0.001=1

0.8x(0.7x1.25)=(0.8x1.25)x0.7=1x0.7=0.7希望采纳

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