(x-y)的二次方乘(y-x)的三次方乘(x-y)

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(x-y)的二次方乘(y-x)的三次方乘(x-y)(x-y)的二次方乘(y-x)的三次方乘(x-y)(x-y)的二次方乘(y-x)的三次方乘(x-y)(x-y)²(y-x)³(x-

(x-y)的二次方乘(y-x)的三次方乘(x-y)
(x-y)的二次方乘(y-x)的三次方乘(x-y)

(x-y)的二次方乘(y-x)的三次方乘(x-y)
(x-y)²(y-x)³(x-y)
=(x-y)²[-(x-y)³](x-y)
=-(x-y)的(2+3+1)次方
=-(x-y)的6次方
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(x-y)^2(y-x)^3(x-y)= - (x-y)^6

(x-y)²(y-x)³(x-y)
=-(x-y)²(x-y)³(x-y)
=-(x-y)^6

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