5÷0.625-5/8÷5简便计算
问题描述：
5÷0.625-5/8÷5简便计算
答
=5/5/8-5/8/X1/5=5X8/5-5/8X1/5=1/5X（40-5/8）=1/5X（39+3/8）=1/5X315/8=63/8
答
5÷0.625-5/8÷5
=5÷5/8-5/8×1/5
=5×8/5-1/8
=8-1/8
=7又7/8
答
5÷0.625-5/8÷5
=5*8/5-5/8*1/5
=8-1/8
=7又7/8