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(x-1/2)²(x²+1/4)²(x+1/2)²
人气:459 ℃ 时间:2020-05-22 04:47:40
解答
原式=[(x-1/2)(x+1/2)(x²+1/4)]²
=[(x²-1/4)(x²+1/4)]²
=(x^4-1/4)²
=x^8-1/2x^4+1/16
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