Puzzleup 2020 (5) Last Two Goals - 拼圖
By Elvira
at 2020-12-03T14:21
at 2020-12-03T14:21
Table of Contents
題目網址: https://www.puzzleup.com/2020/
https://www.puzzleup.com/2020/puzzle/?5
答題時限: 12月3日7PM-比賽結束(約12月30日)
加分時限: 12月3日7PM-12月8日6:59PM
答對可得基本分100分。答案可上傳5次,每改1次答案從基本分扣20分。
比賽期間內可隨時上傳答案,加分時限內答對第n天加(6-n)分
另依題目的難易有額外加分(如有80%的人這題答錯,答對者加80分)
◆LAST TWO GOALS
Your football team won a match with the score of 5-4. What is the probability
that your team has scored the last two goals?
Enter your answer as a simplified fraction. Example:12/23
你所屬的足球隊以 5-4 贏了一場球。
試問最後兩個進球都是你的隊伍踢進的機率為何?
以最簡分數回答。如:12/23
====
感覺是個細問就會發覺條件很微妙的機率題...
我稍微思考了一下應該是還好才對 (吧????)
--
LPH [acronym]
= Let Program Heal us
-- New Uncyclopedian Dictionary, Minmei Publishing Co.
--
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