(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)^6表示(x-y)的6次方
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解: (x-y)的立方×(x-y)的平方×(y-x)
=(x-y)³×(x-y)²×[-(x-y)]
=-(x-y)^6
祝你学习进步,如有不明可以追问.同意我的答案请采纳,O(∩_∩)O谢谢
(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)~3x(X-y)~2x[-(X-Y)]=(x-y)~3x[-(x-y)~3]=-(x-y)`6
=(x-y)³×(x-y)²×[-(x-y)]
=(x-y)³×[-(x-y)³]
=-(x-y)6