5.8除以1.25的简便算法
问题描述：
5.8除以1.25的简便算法
答
5.8/1.25
=5.8*5/4
=5.8-5.8/4
=5.8-1.45
=4.35
5.8除以1.25的简便算法
5.8/1.25
=5.8*5/4
=5.8-5.8/4
=5.8-1.45
=4.35