(15/32*16/35+1/7)/50%的简便运算急!
问题描述:
(15/32*16/35+1/7)/50%的简便运算急!
答
5/7
答
(15/32*16/35+1/7)/50%
=(3/14+1/7)/1/2
=(3/14+2/14)×2
=5/14×2
=5/7