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?