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[数列] 一道递推关系为两个根号之差的数列

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其妙 posted 2025-2-10 16:28 |Read mode
公式识别图片.png
这个数列的通项公式能不能求?
妙不可言,不明其妙,不着一字,各释其妙!

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Aluminiumor posted 2025-2-11 19:03
原题是什么,有要求通项公式吗?
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original poster 其妙 posted 2025-2-12 12:08
Aluminiumor 发表于 2025-2-11 19:03
原题是什么,有要求通项公式吗?
原题大概是求前n项和的整数部分吧
妙不可言,不明其妙,不着一字,各释其妙!

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