1,(x+y)²-(x+y),2,（x-y）²-（x-y）³2,（x-y）²-（y-x）³ 用分解公因式算(1).2(x-y)-3(y-x)²（2）.4ad(a+b)²-6a²b(a+b)(3).(x+y)²(x-y)+（x+y)(x-y)²(4).2a(a-3)²-6a²(3-a)+8a(a-3)(5)2

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1,(x+y)²-(x+y),2,（x-y）²-（x-y）³2,（x-y）²-（y-x）³ 用分解公因式算(1).2(x-y)-3(y-x)²（2）.4ad(a+b)²-6a²b(a+b)(3).(x+y)²(x-y)+（x+y)(x-y)²(4).2a(a-3)²-6a²(3-a)+8a(a-3)(5)2
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1,(x+y)²-(x+y),2,（x-y）²-（x-y）³2,（x-y）²-（y-x）³ 用分解公因式算(1).2(x-y)-3(y-x)²（2）.4ad(a+b)²-6a²b(a+b)(3).(x+y)²(x-y)+（x+y)(x-y)²(4).2a(a-3)²-6a²(3-a)+8a(a-3)(5)2
1,(x+y)²-(x+y),2,（x-y）²-（x-y）³2,（x-y）²-（y-x）³ 用分解公因式算
(1).2(x-y)-3(y-x)²
（2）.4ad(a+b)²-6a²b(a+b)
(3).(x+y)²(x-y)+（x+y)(x-y)²
(4).2a(a-3)²-6a²(3-a)+8a(a-3)
(5)24xy²z²(x+y-z)-32xyz(z-x-y)²+8xyz³(z-x-y)
用分解公因式

1,(x+y)²-(x+y),2,（x-y）²-（x-y）³2,（x-y）²-（y-x）³ 用分解公因式算(1).2(x-y)-3(y-x)²（2）.4ad(a+b)²-6a²b(a+b)(3).(x+y)²(x-y)+（x+y)(x-y)²(4).2a(a-3)²-6a²(3-a)+8a(a-3)(5)2
1、=(x+y)(x+y-1)
2、=(x-y)(x-y-1)
3、=(x-y)²(1+x-y)