别莱李曼的《趣味数学》就提到了松鼠围树而转的故事。当时他的结论就是已经围绕了松鼠转了。

来源: chufang 于 2021-12-06 13:19:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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