问题描述: x+2/3-1/2=17/18 解方程 1个回答 分类:数学 2014-10-17 问题解答: 我来补答 x+2/3-1/2=17/18 x+ 1/6 = 17/18x = 17/18 - 1/6x = 7/9 展开全文阅读