作业帮化简：[(x+y)(x-y)(x+y)^2-2y(x-2y)](-2y) 谢谢!
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/24 04:54:02
 谢谢!](/uploads/image/z/7618227-51-7.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A%5B%28x%2By%29%28x-y%29%28x%2By%29%5E2-2y%28x-2y%29%5D%28-2y%29++++%E8%B0%A2%E8%B0%A2%21)
化简：[(x+y)(x-y)(x+y)^2-2y(x-2y)](-2y) 谢谢!
化简：[(x+y)(x-y)(x+y)^2-2y(x-2y)](-2y) 谢谢!
化简：[(x+y)(x-y)(x+y)^2-2y(x-2y)](-2y) 谢谢!
-2x4y+4x3y2-2x2y3+2x2y3-4xy4+2y5+4xy2-8y3