Puzzleup 2013 (6) Regions - 拼圖

By Olivia
at 2013-08-28T19:23
at 2013-08-28T19:23
Table of Contents
題目網址: http://www.puzzleup.com/2013/
http://www.puzzleup.com/2013/puzzle/?247
答題時限: 8月29日7PM-比賽結束(約12月11日)
加分時限: 8月29日7PM-9月2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)
◆Regions
What is the maximum number of regions into which four circles and four
straight lines can divide a plane?
If the problem was asked for two circles and two straight lines, then the
answer would be 14.
四個圓形和四條直線最多可以把一個平面畫成幾個區域?
如果問題改成兩個圓形兩條直線的話,答案是14
http://www.puzzleup.com/2013/img/puzzle/2013/06_ek1.jpg
嗯,跟前一題反差有點大....
--
http://www.puzzleup.com/2013/puzzle/?247
答題時限: 8月29日7PM-比賽結束(約12月11日)
加分時限: 8月29日7PM-9月2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)
◆Regions
What is the maximum number of regions into which four circles and four
straight lines can divide a plane?
If the problem was asked for two circles and two straight lines, then the
answer would be 14.
四個圓形和四條直線最多可以把一個平面畫成幾個區域?
如果問題改成兩個圓形兩條直線的話,答案是14
http://www.puzzleup.com/2013/img/puzzle/2013/06_ek1.jpg

嗯,跟前一題反差有點大....
--
Tags:
拼圖
All Comments

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