因式分解:[x(x²y²-xy)-y(x²-x³y)]÷3x²y
因式分解:[x(x²y²-xy)-y(x²-x³y)]÷3x²y
(x+y)(x²-xy+y²)—xy(x+y)因式分解
因式分解:1、[x(x²y²-xy)-y(x²-x³y)]÷3x²y.
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因式分解:x²(x-y)+(y-x)
因式分解 -5x³y(x-y)³+20y【x²(y-x)】²
[x(x²y²-xy)-y(x²-x³y)]÷3x²y
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因式分解 (3x+2y)-(x-y)² x²-xy+3y-3x 2x²+xy-y²
因式分解:(x-y)²-xy²+x²y
(x-y)²-xy²+x²y 因式分解
x²-xy-2y²-x-y 因式分解