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PURPLE COMET MATH MEET April 2009 MIDDLE SCHOOL - PROBLEMS ©opyright Titu Andreescu and Jonathan Kane Problem 1 The pentagon below has three right angles. Find its area. Problem 2 Let p1 = 2, p2 = ...
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紫色彗星数学竞赛真题（2008年初中组）
PURPLE COMET MATH MEET– April 2008 MIDDLE SCHOOL – PROBLEMS © Copyright Titu Andreescu and Jonathan Kane Problem 1 Find the greatest prime factor of the sum of the two largest two-digit prim...
2018-2019 BPHO英国物理奥赛第一轮第一部分真题及解析
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紫色彗星数学竞赛真题（2007年初中组）
PURPLE COMET MATH MEET– April 2007 MIDDLE SCHOOL – PROBLEMS © Copyright Titu Andreescu and Jonathan Kane Problem 1 Last Sunday at noon the date on the calendar was 15 (April 15, 2007). What will be...
紫色彗星数学竞赛真题（2006年初中组）
UW-Whitewater / UT-Dallas Mathematics Meet – April 2006 MIDDLE SCHOOL © Copyright Titu Andreescu and Jonathan Kane Problem 1 Michael is celebrating his fifteenth birthday today. How many Sundays ha...
紫色彗星数学竞赛真题（2005年初中组）
UW-Whitewater / UT-Dallas Mathematics Meet – April 14, 2005 – MIDDLE SCHOOL © Copyright Titu Andreescu and Jonathan Kane Problem 1 A cubic inch of the newly discovered material madelbromium weighs ...
2021年还有哪些值得参加的国际竞赛？AMC/BPhO/NEC真题解析汇总
随着A-Level成绩逐年膨胀，越来越多的同学开始瞄准了学术活动。那么，2021年11-12月还可以参加哪些学术活动呢？又有哪些学术活动对同学们的申请更有帮助？ 想要了解更多关于学术活动的消息，需要指导的需要AMC/BP...
AMC竞赛真题、时间、报名流程、题型难度盘点
如果你想申请英美顶尖大学，只是获得优异的学术成绩可能还不够。 世界顶尖高校——麻省理工学院（MIT）每年招收大约1400名新生。在这1,400名学生中，近1,200名学生的AMC 10学术活动分数高于120。由于近两年标化成绩...
