(y-x)^4(x-y)^3+2(x-y)^6(y-x)
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(y-x)^4(x-y)^3+2(x-y)^6(y-x)
(y-x)^4(x-y)^3+2(x-y)^6(y-x)
(y-x)^4(x-y)^3+2(x-y)^6(y-x)
-(x-y)∧16
这是什么?
(y-x)^4(x-y)^3+2(x-y)^6(y-x)
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