计算:(1)x^2-4y^2/x^2+2xy+y^2除以x+2y/x^2+xy(2)x+2y/x^2-y^2+y/y^2-x^2-2x/x^2-y^2 我来答 1个回答 #热议# 应届生在签三方时要注意什么? 机器1718 2022-05-20 · TA获得超过6841个赞 知道小有建树答主 回答量:2805 采纳率:99% 帮助的人:161万 我也去答题访问个人页 关注 展开全部 (1)x^2-4y^2/x^2+2xy+y^2除以x+2y/x^2+xy=(x-2y)(x+2y)/(x+y)^2除以x+2y/x(x+y)=x(x-2y)/(x+y)(2)x+2y/x^2-y^2+y/y^2-x^2-2x/x^2-y^2=(x+2y-y-2x)/(x-y)(x+y)=(y-x)/(x-y)(x+y)=-1/x+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 2022-08-25 计算:[1/(x-y) - 1/(x+y) + 2y/(x^2 + y^2) - 4x^2 y/(x^4 + y^4) 2022-09-11 (x-y)^2=25,(x+y)^2=49, x^2+y^2=? 2013-03-15 (2x-y)²-4(x-y)(x+2y) 12 2011-12-12 求(x-2y)²-4(2x-y)²=?16(x+y)²-25(x-y)²=?a的2n+1次方-16a的2n-1次方 2 2011-03-08 计算:(2x-y)²-4(x-y)(x+2y) 4 2013-03-05 已知x²+y²-2x+4y+5=0,求X^4-y^4/2x^2+xy-y²·2x-y/xy-y^2÷(x^2+y^2)^2的值 3 2020-01-21 (x-y)^2=25,(x+y)^2=49,x^2+y^2=? 2020-08-25 计算:(1)x-y/2x+y/2x (2)5/x-5+5/5-x (3)(5x/x²-2xy+y² )-(5y/x²-2xy+y²)? 为你推荐: