分解因式求:{x(x²y²-xy)-y(x²-x³y)}÷3x²y
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分解因式求:{x(x²y²-xy)-y(x²-x³y)}÷3x²y
分解因式求:{x(x²y²-xy)-y(x²-x³y)}÷3x²y
分解因式求:{x(x²y²-xy)-y(x²-x³y)}÷3x²y
:{x(x²y²-xy)-y(x²-x³y)}÷3x²y
=(x^3y^2-x^2y-x^2y+x^3y^2)÷3x^2y
=2(x^3y^2-2x^2y)÷3x^2y
=2/3*(xy-1)
整理为2(xy-1)/3
(2XY-Y-1)/3