5(y-x)³·3x²(x-y)^6计算
(x-y)·2(x-y)²·3(x-y)³ 计算
(3x²y)³·(-4x)计算
计算:(x+2y)(3x-5y)-(6x的四次方y²-2x²y²)÷(2x²y&
x·(9x³y-3xy²)÷(﹣3x²y) 计算
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
分解因式计算6x³y(x-y)³-4xy³(y-x)²
计算:(x-y)^7÷(y-x)^6+(-x-y)^3÷(x+y)^2
计算(x+y)(x-y)(x+y)3次方(x-y)5次方
计算:(x-y)的5次方(x-y)²(x-y)³
8x²·(-3x/4y³)·(-6z/x²y)计算
计算:x²-y²/x·-x²/(x-y)²;8y²y³·(-