已知（x-1\3)^2+|y+1|=0求4x^2+2x^2y-2(x^2y-2xy+2x^2)-xy的值

来源：学生作业帮助网编辑：六六作业网时间：2024/07/11 20:03:38

已知（x-1\3)^2+|y+1|=0求4x^2+2x^2y-2(x^2y-2xy+2x^2)-xy的值已知（x-1\3)^2+|y+1|=0求4x^2+2x^2y-2(x^2y-2xy+2x^2)-

已知（x-1\3)^2+|y+1|=0求4x^2+2x^2y-2(x^2y-2xy+2x^2)-xy的值
已知（x-1\3)^2+|y+1|=0求4x^2+2x^2y-2(x^2y-2xy+2x^2)-xy的值