中學學微積分時沒有嚴格定義極限，極限就是離那裏越來越近（approach)，還沒想道這說法不嚴謹

來源: rmny 於 2025-12-03 17:36:34 [舊帖] [給我悄悄話] 本文已被閱讀：次

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