7.6除以5.4除以51.9乘以5.4的简便方法
问题描述:
7.6除以5.4除以51.9乘以5.4的简便方法
答
7.6/5.4/1.9x5.4
=7.6x4/1.9x1/5.4x5.4
=1.6x1
=1.6