问题描述: (急)计算(x²-y²/xy)²÷(x+y/y)²·(x/x-y)³如题 1个回答 分类:数学 2014-11-28 问题解答: 我来补答 (x²-y²/xy)²÷(x+y/y)²·(x/x-y)³=[(x+y)²(x-y)²/x²y²]×[y²/(x+y)²]×[x³/(x-y)³]=(x-y)²/x²×x³/(x-y)³=x/(x-y) 展开全文阅读