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作者 berryc 在 PTT [ Math ] 看板的留言(推文), 共9則

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Fw: [問卦] 國小數學幾何這樣教可以嗎？

[ Math ]50 留言, 推噓總分: +14

作者: vacuityhu - 發表於 2021/11/17 17:02(2年前)

3^F→berryc: 不然你要小學生就學集合嗎?111.251.114.234 11/17 17:01

Fw: [問卦] NBA板的數學題目

[ Math ]8 留言, 推噓總分: +3

作者: e1q3z9c7 - 發表於 2014/04/11 23:06(10年前)

239^F推berryc:提目怪怪的,那如果是, 我丟了個硬幣出現正面,下一個硬幣出04/11 18:52

240^F→berryc:現正面的機率是多少?04/11 18:52

242^F推berryc:就說題目騙人啊,不同解讀答案也就不同04/11 18:54

245^F→berryc:我要表達的是文字敘述上的問題04/11 18:55

246^F→berryc:丟硬幣,第一次正面,第二次正面請問機率為何? 1/404/11 18:56

247^F→berryc:我丟了個硬幣是正面,下一個硬幣正面機率多少? 1/204/11 18:56

249^F推berryc:如果題目改成,有兩張牌一張是正反都銀,一張是銀黑,抽一張04/11 19:03

250^F→berryc:牌,正反都是銀的機率就是2/1了啊04/11 19:05

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