(x-y)的三次方乘以(x-y)的二次方乘以(y-x) 等于多少

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(x-y)的三次方乘以(x-y)的二次方乘以(y-x) 等于多少

(x-y)³×(x-y)²×(y-x)
=(x-y)³×(x-y)²×[-(x-y)]
= -(x-y)的6次方

楼上的回答正确