5/27÷4+22/27×0.25 简便计算
问题描述：
5/27÷4+22/27×0.25 简便计算
答
5/27÷4+22/27×0.25
=5/27x1/4+22/27×1/4
=(5/27+22/27)x1/4
=1x1/4
=1/4