题目网址: http://www.puzzleup.com/2019/
http://www.puzzleup.com/2019/puzzle/?19
答题时限: 11月28日7PM-比赛结束
加分时限: 11月28日7PM-12月4日6:59PM
答对可得基本分100分。答案可上传5次,每改1次答案从基本分扣20分。
比赛期间内可随时上传答案,加分时限内答对第n天加(6-n)分
另依题目的难易有额外加分(如有80%的人这题答错,答对者加80分)
◆FOOTBALL MATCH
In a football match with plenty of goals, team A beat Team B 9-5. What
is the probability that team A has never been in a losing position in
any part of the match?
Enter your answer as a simplified fraction. Example:12/23
有场足球比赛双方大量得分,最终A队以9-5击败了B队。问整场比赛过程中,A队从
未落后过的机率为?
以最简分数回答。如:12/23