通常第六題是最難的

來源: botong 於 2009-07-26 09:25:21 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (408 bytes)
本帖於 2009-07-28 16:38:03 時間, 由普通用戶 康MM 編輯
回答: Problem 6 由 botong 於 2009-07-24 10:32:52

You can check the statistics:
http://imo-official.org/year_country_r.aspx?year=2009

In this year, 6 people in the chinese team only got 11 pts for problem 6 (7 pts each person if correctly solved). That means that no one solved it (averagely).

Most countries got zero in problem 6. Japan got highest in problem 6. But it was still just 19 for 6 persons to share.






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