75×3⼀4+0.75×26-3⼀4的简便算法 急!!!!!!!!!

2024-12-03 14:55:02
推荐回答(1个)
回答1:

3/4就是0.75
75×3/4+0.75×26-3/4
=(75+26-1)×0.75
=(75+25)×0.75
=100×0.75
=75