奇偶分析仅对给出的项差是奇数成立。如改为偶数，例如8，那第二项会是9吗？还没有真正领会二位的推理。

来源: wxcfan123 于 2023-11-26 14:00:56 [旧帖] [给我悄悄话] 本文已被阅读：次

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