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数学
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一道数学题:(5+1)(5*+1)(5^4+1)(5^8+1)(5^16+1)+1/4
人气:374 ℃ 时间:2020-06-17 16:13:29
解答
(5+1)(5^2+1)(5^4+1)(5^8+1)(5^16+1)+1/4
=(5-1)(5+1)(5^2+1)(5^4+1)(5^8+1)(5^16+1)/(5-1)+1/4
=(5^16-1)/4+1/4
=(5^16)/4
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