简便计算(1/69+1/73)x46+54÷146
问题描述:
简便计算(1/69+1/73)x46+54÷146
答
(1/69+1/73)x46+54÷146
=1/69x46+1/73x46+27/73
=2/3+(46/73+27/73)
=2/3+1=5/3