巧算1.25×(4-0.8)×0.25

2024-12-29 07:10:02
推荐回答(3个)
回答1:


如图

回答2:


回答3:

1.25×(4-0.8)×0.25
=1.25x0.25x4-1.25x0.25x0.8
=1.25-0.25
=1