＂天堂里的人，无所事事＂，太缺乏想象力了吧？这是用有理数的个数来想象无理数的个数了。

来源: QualityWithoutName 于 2024-05-23 02:53:32 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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