(X-Y)^3乘(X-Y)^2乘(Y-X)=?
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(X-Y)^3乘(X-Y)^2乘(Y-X)=?
(X-Y)^3乘(X-Y)^2乘(Y-X)=?
(X-Y)^3乘(X-Y)^2乘(Y-X)=?
= - (x-y)^6
把最后一个(Y-X)倒过来得到-(X-Y)所以答案是- (x-y)^6
=-(x-y)^6
(x-y)³×(x-y)²×(y-x)
=-(x-y)³×(x-y)²×(x-y)
=-(x-y)^(3+2+1)
=-(x-y)^6
(x-y)³×(x-y)²×(y-x)
=-(x-y)³×(x-y)²×(x-y)
=-(x-y)^(3+2+1)
=-(x-y)^6
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