2又2/3*(1又7/8-5/6)除[3又1/4/(1/8+1又5/6)]有符号打错:2又2/3*(1又7/8-5/6)除[3又1/4除(1/8+1又5/6)]

问题描述:

2又2/3*(1又7/8-5/6)除[3又1/4/(1/8+1又5/6)]
有符号打错:2又2/3*(1又7/8-5/6)除[3又1/4除(1/8+1又5/6)]