重磅！2021丘奖总决赛入围名单出炉！附丘奖内地、海外赛区日程安排！
经过上周末各赛区紧张的赛事评比，数学、物理、生物、经济金融建模半决赛圆满结束！计算机半决赛也将于本周末进行。 分赛区评审委员会对各入围学生进行了答辩考评，来自全国的60余支中学生团队，从1440余支报名队...
2021丘成桐中学科学奖（数学）总决赛入围名单-亚洲地区
丘成桐中学科学奖海外赛区经过半决赛面试考评，评选出了本年度入围总决赛的团队名单。共有10支亚洲赛区的团队从250余支报名队伍中脱颖而出，获得参加总决赛的“入场券”（亚洲赛区总决赛入围名单见后，美国赛区名单...
AMC10/12部分地区转为线上进行！AMC考生注意查询考点！
参加AMC10/12的考生注意啦！部分地区转为线上进行！大家要及时登录官网查询考点情况噢！ （图片源自AMC官方） 那么，面对突如其来的变动，考生该怎么做呢？别慌，看这里！ 查询考点信息 由于各地疫情等不确定因素...
紫色彗星数学竞赛真题（2010年初中组）
PURPLE COMET MATH MEET April 2010 MIDDLE SCHOOL - PROBLEMS © Copyright Titu Andreescu and Jonathan Kane Problem 1 If 125 + n + 135 + 2n + 145 = 900, find n. Problem 2 Three boxes each contain four ...
紫色彗星数学竞赛真题（2009年初中组）
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 = ...
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...
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 ...
