(5/6+33*1/22-1/2)*/13(简算)(5/6+33*1/22-1/2)*9/13

问题描述:

(5/6+33*1/22-1/2)*/13(简算)
(5/6+33*1/22-1/2)*9/13

题目有误!

(5/6+33*1/22-1/2)/13
=(5/6+33/22-1/2)/13
=(5/6+3/2-1/2)/13
=(5/6+1)/13
=(11/6)/13
=11/78