不一樣，第一個是從3個門中選一門，後麵從3個門中選兩門，概率是2/3，本來是兩門分享2/3概率，排除一個以後，剩下那個

來源: LinMu 於 2024-02-19 02:59:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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