(x+y)(x-y)+(x-y)^2-(6x^2-2xy^2)÷(2y)

发布时间:2021-02-26 03:11:21

(x+y)(x-y)+(x-y)^2-(6x^2-2xy^2)÷(2y)

网友回答

x^2-y^2+x^2-2xy+y^2-3x^2/y+xy=2x^2-xy-3x^2/y=(2x^2y-xy^2-3x^2)/y
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