(2x-3y)³+(3x-27)³-{5(x-y)}³ 因式分解
5x[x-3y]²+2y[3y-x]³因式分解,
(x-y)^2-(x-y)^3因式分解
(x+y)^2-3(x-y)因式分解
因式分解:[x(x²y²-xy)-y(x²-x³y)]÷3x²y
因式分解 -5x³y(x-y)³+20y【x²(y-x)】²
因式分解3x^2(x-y)+6x(y-x)
因式分解x³+5x²+3x-9 (x-2)²-(y-2)³-(x
因式分解x的5次方y-x³y+2x²y-xy
求因式分解(x-y)²-2(x-y)³和(x+y)(x-y)-x(x-y)
因式分解5(x-2)³(y-2)-3(2-y)²(2-y)
因式分解:y²(x²-2x)³+y²
3x-y^2 因式分解