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作者 lookapen 在 PTT [ puzzle ] 看板的留言(推文), 共4則

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Fw: [請問] 請問一數學機率問題

[ puzzle ]10 留言, 推噓總分: +4

作者: abcsimps - 發表於 2012/10/23 22:23(11年前)

6^F→lookapen:若最後情況確定是一個袋子 2白3黑, 就是3/5吧.10/23 15:06

9^F→lookapen:剛看錯題意..10/23 15:26

10^F→lookapen:我想因為已經抽出白球了, 只要 1 - 白白的機率就好了10/23 15:26

11^F→lookapen:我算是 4/510/23 15:27

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