问题标题:
4.6×0.75+0.46×2.5的简便运算
问题描述:
4.6×0.75+0.46×2.5的简便运算
李晓毅回答:
4.6×0.75+0.46×2.5
=4.6×0.75+4.6×0.25
=(0.75+0.25)×4.6
=1×4.6
=4.6
点击显示
数学推荐
热门数学推荐