87乘以86分之3的简算方法.
问题描述:
87乘以86分之3的简算方法.
答
87x3/86
=86x3/8+1x3/86
=3+3/86
=3又3/86
87乘以86分之3的简算方法.
87x3/86
=86x3/8+1x3/86
=3+3/86
=3又3/86