(5x²y³-4x³y²+6x)÷6x
(x-y)³+9(x-y)-6(x-y)²
合并同类项:-6x²y-x+5x²y-2x+x³y+3x
计算 [12(x+y)³(y-x)]³÷[4(x+y)²(x-y)]²
(x-y)³(y-x)(y-x)²+(x-y)^6
计算4(x+y)^5(x-y)^4÷[2(x+y)³*(y-x)²]
分解因式计算6x³y(x-y)³-4xy³(y-x)²
约分下列分式(x-y)/(y-x)³(x²-9)/(6-2x)(x²-1)/(x-x
计算6x³y^6÷(1/2)y³÷(-3x²y)-(12x^4y^6-8x²y^
因式分解 -5x³y(x-y)³+20y【x²(y-x)】²
化简 3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²
(x-y)³(x-y)²(y-x)等于多少
(24x³y³-6x的4次方y³)÷(-3x²y²)