简便算法 5.6×0.375+0.375×5.4-37.5%
问题描述:
简便算法 5.6×0.375+0.375×5.4-37.5%
答
5.6×0.375+0.375×5.4-37.5%
=(5.6+5.4-1)×37.5%
=10×37.5%
=3.75