國際數學競賽的選擇
AIME是選拔美國奧數隊的競賽,共15題,答對7題已經是相當不錯... 2019.08.22 20:00-21:00主講內容:CCC滑鐵盧計算機競賽本期福...
AIME是選拔美國奧數隊的競賽,共15題,答對7題已經是相當不錯... 2019.08.22 20:00-21:00主講內容:CCC滑鐵盧計算機競賽本期福...
2009 USAMO Problems真題及答案 完整版真題免費下載 +答案解析請參考文末 真題下載請前往【純真題】小程序 Day 1 Problem 1 Given circles??and??intersecting at points??and?, let??be a line through the cent...
2010 USAMO Problems真題及答案 完整版真題免費下載 +答案解析請參考文末 Day 1 Problem 1 Let??be a convex pentagon inscribed in a semicircle of diameter?. Denote by?,?,?,??the feet of the perpendicular...
2011 USAMO Problems真題及答案 完整版真題免費下載 +答案解析請參考文末 Day 1 Problem 1 Let?,?,??be positive real numbers such that?. Prove that Problem 2 An integer is assigned to each vertex ...
2010 USAJMO Problems真題及答案 完整版真題免費下載 +答案解析請參考文末 Day 1 Problem 1 A permutation of the set of positive integers??is a sequence??such that each element of??appears precisely one ...
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