作业帮已知（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：作业帮 时间：2024/05/16 06:55:35
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
已知（x-1\3)^2+|y+1|=0求4x^2+2x^2y-2(x^2y-2xy+2x^2)-xy的值