美國奧數(shù)體系及意義介紹
是的,今年國際數(shù)學(xué)奧林匹克競賽(簡稱IMO)官方宣布了比賽成績,中國隊第一,但是出現(xiàn)了“雙黃蛋”的冠軍,中國隊和美國隊分...
2008-1972USAMO美國數(shù)學(xué)奧賽歷年真題打包下載
翰林國際教育整理了1972-2008 USAMO全部真題 供學(xué)生免費(fèi)下載使用
2009 USAMO Problems真題及答案
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怎么都在報考美國“大聯(lián)盟”數(shù)學(xué)競賽
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2010 USAMO Problems真題及答案
2010 USAMO Problems真題及答案 完整版真題免費(fèi)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
2011 USAMO Problems真題及答案 完整版真題免費(fèi)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
2010 USAJMO Problems真題及答案 完整版真題免費(fèi)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 ...
2011 USAJMO Problems真題及答案
2011 USAJMO Problems真題及答案 完整版真題免費(fèi)下載 +答案解析請參考文末 Day 1 Problem 1 Find, with proof, all positive integers??for which??is a perfect square. Problem 2 Let?,?,??be positive real nu...
2012 USAMO Problems真題及答案
2012 USAMO Problems真題及答案 完整版真題免費(fèi)下載 +答案解析請參考文末 Day 1 Problem 1 Find all integers??such that among any??positive real numbers?,?,?,??withthere exist three that are the side len...
