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(x-1/2)(x^2+1/4)(1/2+x) 运用平方差公式计算
(x-1/2)(x^2+1/4)(1/2+x)
人气:177 ℃ 时间:2019-11-06 08:49:20
解答
(x-1/2)(x^2+1/4)(1/2+x)
=(x-1/2)(1/2+x)(x^2+1/4)
=(x^2-1/4)(x^2+1/4)
=X^4-1/16
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