x^3+3xy-3x^2y-y^3能否化简
问题描述:
x^3+3xy-3x^2y-y^3能否化简
(x^3+3xy-3x^2y-y^3)/(x-y)^2
答
不能,+3xy^2能
x^3+3xy-3x^2y-y^3能否化简
(x^3+3xy-3x^2y-y^3)/(x-y)^2
不能,+3xy^2能