沒錯啊，我看組合的教科書證明都是一頭霧水，隻是大致能懂一些，要是自己寫證明肯定不行．

來源: Pilsung 於 2025-06-04 14:20:29 [舊帖] [給我悄悄話] 本文已被閱讀：次

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