(xy-x^2) • xy/x^2-2xy+y^2 ÷ x^2/x-y (xy-x^2) • xy/x^2-2xy+y^2 ÷ x^2/x-y 我来答 1个回答 #热议# 空调使用不当可能引发哪些疾病? 大仙1718 2022-05-13 · TA获得超过1282个赞 知道小有建树答主 回答量:171 采纳率:98% 帮助的人:62.8万 我也去答题访问个人页 关注 展开全部 (xy-x^2)*xy/(x^2-2xy+y^2)÷ x^2/(x-y) =x(y-x)*xy/(x-y)^2÷ x^2/(x-y) =-(x-y)*x^2y/(x-y)^2*(x-y)/x^2 =-(x-y)y/(x-y)^2*(x-y) =-y/(x-y)*(x-y) =-y 已赞过 已踩过< 你对这个回答的评价是? 评论 收起 推荐律师服务: 若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询 其他类似问题 2023-02-22 2x²(x-y)+2(y-x) 2023-05-12 (-2x+y)²-2(2x-y)(y+2x)-(x-y)(x+2y) 2013-07-28 {(xy+2)(xy-2)-2(x²y²-2)}÷(xy) 1 2014-03-12 (2x+y)²(2x-y)² 4 2020-02-12 (x -y )2・(y -x ) 2(x -y )・(x -y ) 2020-05-17 -2x³y+4x²y-2xy 2013-03-24 2(x-y)²-x(y-x) 1 2010-11-27 2(X²Y+XY²)-2(X²Y-1)-2XY²-2 X=2 Y=4 为你推荐: