数学竞赛教练专访
在五年级时我拿过一次六年级数学竞赛奖,也因此有机会可以直接... 竞赛党必看化学:学霸说|希德化学竞赛教练谭珂专访学霸说|美国...
AIME是选拔美国奥数队的竞赛,共15题,答对7题已经是相当不错... 2019.08.22 20:00-21:00主讲内容:CCC滑铁卢计算机竞赛本期福...
2009 USAMO Problems真题及答案 完整版真题免费下载 +答案解析请参考文末 真题下载请前往【纯真题】小程序 Day 1 Problem 1 Given circles and intersecting at points and , let be a line through the cent...
2010 USAMO Problems真题及答案 完整版真题免费下载 +答案解析请参考文末 Day 1 Problem 1 Let be a convex pentagon inscribed in a semicircle of diameter . Denote by , , , the feet of the perpendicular...
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