-8(x-y)²*(x-y)我要用

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-8(x-y)²*(x-y)我要用-8(x-y)²*(x-y)我要用-8(x-y)²*(x-y)我要用-8(x-y)²*(x-y)=-8(x-y)²+

-8(x-y)²*(x-y)我要用
-8(x-y)²*(x-y)
我要用

-8(x-y)²*(x-y)我要用
-8(x-y)²*(x-y)
=-8(x-y)²+¹
=-8(x-y)³

-8(x-y)²*(x-y)
=-8(x-y)^³