计算 [12(x+y)³(y-x)]³÷[4(x+y)²(x-y)]²
计算 [12(x+y)³(y-x)]³÷[4(x+y)²(x-y)]²
计算4(x+y)^5(x-y)^4÷[2(x+y)³*(y-x)²]
计算6x³y^6÷(1/2)y³÷(-3x²y)-(12x^4y^6-8x²y^
分解因式计算6x³y(x-y)³-4xy³(y-x)²
(x-y)³+9(x-y)-6(x-y)²
(x-y)³(x-y)²(y-x)等于多少
计算:(x+y)²-4(x+y)(x-y)+4(x-y)²
计算:(1)(-x²/y)·(-y²/x)³÷(-y/x)的4次方;
计算:x²-y²/x·-x²/(x-y)²;8y²y³·(-
(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
[(3x+y)²-(3x-y)²]÷(4x-2y)计算 怎么做?