主页/ 数学文化/ 2015 | 第6卷第1期/ 选票定理与卡塔兰数 选票定理与卡塔兰数 数学文化 2015 | 第6卷第1期, pp. 99-105 Preview Buy Article · CNY $20 Full text requires purchase or subscription 作者 万精油 万精油 搜索作者所有文章 摘要 一对情侣玩石头剪子布,输的人洗碗。每次出手男胜率为60%,女胜率40%,但女生有改变规则的权力。如果女生第一局胜则游戏结束,否则改为三局两胜制继续,如果继续输则采取五局三胜,七局四胜,依此类推。如果2k+1次时女方没有赢,则改为2k+3局k+2胜。在这种规则下,女方胜率为多少?承担家务的多少——这可直接关系到你的切身利益,不妨算算吧。 Full text is available as PDF. Download or purchase access to read online. 本期更多文章 数学家的想法 Michael Atiyah pp. 114-120 封面 pp. 0-0 中国数学会通讯 pp. 0-0 历史照片 pp. 0-0 订阅更新 × Recommend to Your Library Help your institution provide access to 数学文化. Your name * Your email Role / Position — Select — Professor / Full Professor Associate Professor Assistant Professor Postdoctoral Researcher Research Scientist / Fellow PhD Student Master's Student Undergraduate Student Lecturer / Instructor Department Head / Chair Librarian Industry Researcher Other Institution / Library name * Librarian's email * Why do you recommend this journal? Uses this journal in their research Recommends it to students Relevant to their department Library should provide access Personal message (optional) Send Recommendation Sending… 分享