ax^3y+axy^3-2ax²y² x²(x-y)+(y-x) 已知|3x+2y+3|+(5y+2x-9)²=0,求3x-2y的值.

ax^3y+axy^3-2ax²y² x²(x-y)+(y-x) 已知|3x+2y+3|+(5y+2x-9)²=0,求3x-2y的值.

题目
ax^3y+axy^3-2ax²y² x²(x-y)+(y-x) 已知|3x+2y+3|+(5y+2x-9)²=0,求3x-2y的值.
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