计算或化简:(-x)³(-y)³-(-x³y²)=_________
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
(x-y)·2(x-y)²·3(x-y)³ 计算
计算:(x-y)的5次方(x-y)²(x-y)³
计算:x²-y²/x·-x²/(x-y)²;8y²y³·(-
计算4(x+y)^5(x-y)^4÷[2(x+y)³*(y-x)²]
计算:①-x·(y-x)³·(x-y)的四次方 ②(x-y)²·(y-x)³·(x-y)的
y=x²,y=x³ 曲线围成图形的面积 微积分计算
(x-y)³+9(x-y)-6(x-y)²
(x-y)³(x-y)²(y-x)等于多少
计算x²y³-2x(4xy³)
计算(-X)²•X³•(-2y)³