因式分解:1、[x(x²y²-xy)-y(x²-x³y)]÷3x²y.
因式分解:[x(x²y²-xy)-y(x²-x³y)]÷3x²y
因式分解:1、[x(x²y²-xy)-y(x²-x³y)]÷3x²y.
(x+y)(x²-xy+y²)—xy(x+y)因式分解
(x-y)²-(3x-3xy+y²)因式分解
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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
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
因式分解①9(x+y)²-12(x+y-1/3) ②8-6x-6y+(x+y)²③xy³-
因式分解:(1)x²y-2xy²+y³ (2)(x+2y)²-y²
因式分解 (3x+2y)-(x-y)² x²-xy+3y-3x 2x²+xy-y²