洗襪子？我雖然學過，但我不是學數學的。應該由雷歐或者喵爸來寫。柯西-洗襪子不等式應用範圍廣泛。

來源: 布蘭雅於 2024-05-01 20:01:24 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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