跪求101×51.8-1.25×51.8×0.8的简便算法

2025-04-16 05:50:14
推荐回答(1个)
回答1:

101×51.8-1.25×51.8×0.8
=51.8x(101-1.25x0.8)
=51.8x100
=5180