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(2+1)(2^2+1)(2^4+1)……(2^128+1)化简下
人气:421 ℃ 时间:2020-07-10 07:32:05
解答
(2+1)(2^2+1)(2^4+1)......(2^128+1)
=(2-1)(2+1)(2^2+1)(2^4+1)......(2^128+1)
=(2^-1)(2^2+1)(2^4+1)......(2^128+1)
=(2^4-1)(2^4+1)......(2^128+1)
=2^256-1
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