16×5+34×5+28的简便算法
问题描述:
16×5+34×5+28的简便算法
答
5X(16+34)+28
=5X50+28
=250+28
=278
16×5+34×5+28的简便算法
5X(16+34)+28
=5X50+28
=250+28
=278