(x+y)(x²+y²)(x的4次方+y的4次方)(x-y) 求解答……

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(x+y)(x²+y²)(x的4次方+y的4次方)(x-y) 求解答……

(x+y)(x²+y²)(x的4次方+y的4次方)(x-y) 求解答……
(x+y)(x²+y²)(x的4次方+y的4次方)(x-y) 求解答……

(x+y)(x²+y²)(x的4次方+y的4次方)(x-y) 求解答……