Question

0.25x3.2怎么简便算

Answer 1

0.25x3.2
=0.25x4x0.8
=1x0.8
=0.8
望采纳，谢谢

Answer 2

解:因为0.25x4=1，那么可以运用乘法分配律将3.2化为4x0.8同0.25连乘。计算过程
0.25ⅹ3.2
=0.25ⅹ4ⅹ0.8
=1ⅹ0.8
=0.8。