十二 30

最初从好友费振鹏的鹏博奥数网那发现此图,觉得很好,Google到了International Mathematical Olympiad那,Here!The IMO logo is available in several graphic formats.

顺便再次推荐振鹏的鹏博奥数网,那有很多IMO相关的资料。

On this day..

One Response to “IMO logo”

  1. 匿名 Says:

    http://www.omaths.com/Article/UploadFiles/200811/2008112806541286.gif