数学题。急啊！！！！！！！！！！！！！！
(x+y)^2(x-y)+(x+y)(x-y)^2
被浏览: 0次
2023年04月26日 09:36
热门回答（4个）
游客1
(x+y)^2(x-y)+(x+y)(x-y)^2
=（此山梁唯告x+y）森运(x-y)(x+y+x-y)
=(x+y)(x-y)*2x
=2x^3-2xy^2
游客2
=(x+y)(x-y)(x+y+x-y)
=2x(x+y)(x-y)
游客3
(x+y)^2(x-y)+(x+y)(x-y)^2
=(x+y)(x-y)【(x+y)+(x-y)】此山梁森运唯告
=(x+y)(x-y)*2x
=2x^3-2xy^2
游客4
(x+y)^2(x-y)+(x+y)(x-y)^2
=(x+y)(x-y)(x+y+x-y)
=2x(x^2-y^2)
=2x^3-2xy^2
推荐问答
猜你想搜
友情链接：
Copyright 2019 - 2024 All Rights Reserved.