1.25×3.2的简便计算

2024-12-27 19:18:36
推荐回答(2个)
回答1:

1.25x3.2
=1.25x8x0.4
=10x0.4
=4
谢谢,请采纳

回答2:

1.25×(4-0.8)=1.25×4-1.25×0.8=5-1=4