滑铁卢华人, 水城百事论坛 http://www.kwcg.ca/forum/ 水城社区-Kitchener, Waterloo, Cambridge & Guelph华人的网上家园 en 你问AI啊 Reply by 匿名, Thursday, March 19, 2026, 10:59:

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]]> http://www.kwcg.ca/forum/index.php?id=1519921 http://www.kwcg.ca/forum/index.php?id=1519921 Thu, 19 Mar 2026 10:59:35 GMT 匿名 赞。我看题都看晕了 Reply by 脑子里起雾, Thursday, March 19, 2026, 10:15:

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]]> http://www.kwcg.ca/forum/index.php?id=1519913 http://www.kwcg.ca/forum/index.php?id=1519913 Thu, 19 Mar 2026 10:15:14 GMT 脑子里起雾 0.15 Reply by 匿名, Thursday, March 19, 2026, 09:41:

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]]> http://www.kwcg.ca/forum/index.php?id=1519911 http://www.kwcg.ca/forum/index.php?id=1519911 Thu, 19 Mar 2026 09:41:17 GMT 匿名 兜这么大一个圈子 Reply by 0.09, Thursday, March 19, 2026, 09:33:

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]]> http://www.kwcg.ca/forum/index.php?id=1519910 http://www.kwcg.ca/forum/index.php?id=1519910 Thu, 19 Mar 2026 09:33:59 GMT 0.09 丙战胜丁的概率是独立事件，并不会因为其他条件的不同而改变 Reply by 匿名, Thursday, March 19, 2026, 08:53:

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]]> http://www.kwcg.ca/forum/index.php?id=1519905 http://www.kwcg.ca/forum/index.php?id=1519905 Thu, 19 Mar 2026 08:53:29 GMT 匿名 4人参加乒乓球比赛，每2人对战一场，甲战胜乙的概率是0.4，乙战胜丙的概率是丙战胜丁概率的2倍。已知乙在比赛中对甲、丙均取胜的概率是0.18，问丙战胜丁的概率为？ Posting by 匿名, Thursday, March 19, 2026, 07:55:

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]]> http://www.kwcg.ca/forum/index.php?id=1519897 http://www.kwcg.ca/forum/index.php?id=1519897 Thu, 19 Mar 2026 07:55:15 GMT 匿名