(8/9-1/3)/(7/18*2/3)简算
问题描述：
(8/9-1/3)/(7/18*2/3)简算
答
(8/9-1/3)/(7/18*2/3)
=5/9/（7/27）
=5/9*27/7
=15/7
=2又1/7