0.125乘以8加1.25乘以2.2加12.5乘以0.7怎么算?

2024-12-02 03:30:43
推荐回答(3个)
回答1:

0.125×8+1.25×2.2+12.5×0.7
=1.25×0.8+1.25×2.2+1.25×7
=1.25×(0.8+2.2+7)
=1.25×10
=12.5

回答2:

解:0.125x8+1.25x2.2+12.5x0.7
=12.5x0.08+12.5x0.22+12.5x0.7
=12.5x(0.08+0.22+0.7)
=12.5x1
=12.5

回答3:

0.125x8+1.25x2.2+12.5x0.7=1+2.75+8.75=12.5