(x-y)的2次方×(y-x)的3次方×(x-y)=

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

(x-y)的2次方×(y-x)的3次方×(x-y)=
(x-y)的2次方×(y-x)的3次方×(x-y)=

(x-y)的2次方×(y-x)的3次方×(x-y)=
原式=(x-y)²[-(x-y)]²(x-y)
=(x-y)²[-(x-y)³](x-y)
=-(x-y)^(2+3+1)
=-(x-y)^6

(x-y)的2次方×(y-x)的3次方×(x-y)=-(x-y)^(2+3+1)= -(x-y)^6
(y-x)的3次方=-(x-y)^3

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

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