1\(x-y)的平方×(x-y)的立方×(y-x)的平方×(y-x)的立方

1\(x-y)的平方×(x-y)的立方×(y-x)的平方×(y-x)的立方
1\(x-y)的平方×(x-y)的立方×(y-x)的平方×(y-x)的立方

1\(x-y)的平方×(x-y)的立方×(y-x)的平方×(y-x)的立方
1\(x-y)^2×(x-y)^3×(y-x)^2×(y-x)^3
=1\(x-y)^2×(x-y)^2×(x-y)^3×(x-y)^2
×(-(x-y))
=1×(x-y)^5×(-(x-y))
=-(x-y)^6
提示：(X-Y)^2=(Y-X)^2