(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊
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(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊(x+1)(x
(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊
(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊
(x+1)(x-1)(x2-x+1)(x2+x+1)等于多少啊
(x+1)(x-1)(x2-x+1)(x2+x+1)
=[(x+1)(x^2-x+1)][(x-1)(x^2+x+1)]
=(x^3+1)(x^3-1)
=x^6-1
(x2+4x)/(x-1)
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