5/1.25 ("/"代表除号）请简便计算
问题描述：
5/1.25 ("/"代表除号）请简便计算
答
5/1.25
=5×4/1.25×4
=5×4÷5
=4
5/1.25 ("/"代表除号）请简便计算
5/1.25
=5×4/1.25×4
=5×4÷5
=4