2012 USAJMO Problems真题及答案
2012 USAJMO 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 Given a triangle?, let??and??be points on segments??and?, respectively, such that?. Let??and??be distinct point...
2014 USAMO Problems真题及答案
2014 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 real numbers such that??and all zeros??and??of the polynomial??are real. Find the smallest value the pro...
2013 USAJMO Problems真题及答案
2013 USAJMO 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 Are there integers??and??such that??and??are both perfect cubes of integers? Problem 2 Each cell of an??board i...
2015 USAMO Problems真题及答案
2015 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 Solve in integers the equation? Problem 2 Quadrilateral??is inscribed in circle??with??and?. Let??be a variable ...
2014 USAJMO Problems真题及答案
2014 USAJMO 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 real numbers greater than or equal to?. Prove that Problem 2 Let??be a non-equilateral, acute trian...
2016 USAMO Problems真题及答案
2016 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 sequence of mutually distinct nonempty subsets of a set?. Any two sets??and??are disjoint and their un...
2015 USAJMO Problems真题及答案
2015 USAJMO 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 Given a sequence of real numbers, a move consists of choosing two terms and replacing each with their arithmeti...
2016 USAJMO Problems真题及答案
2016 USAJMO 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 The isosceles triangle?, with?, is inscribed in the circle?. Let??be a variable point on the arc??that does not...
2017 USAMO Problems真题及答案
2017 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 Note: For any geometry problem whose statement begins with an asterisk (), the first page of the solution must be a large,...
