數學競賽不是數學，就是職業技能培訓和瓦工，鉗工競賽一個樣子。99%的學數學分析，看不到無窮小的魅力，牛頓之流的偉大

來源: BJming 於 2024-06-18 16:41:55 [舊帖] [給我悄悄話] 本文已被閱讀：次

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