美国英才教育怎样碾轧中国数学教育
美国顶级精英的数学好于中国学生,美国数学竞赛的得奖者的发展也好于中国学生,我们前面的《奥数天才堕落之后》一文又引发思考...
【周老师每日奥数】看外国孩子如何学习奥数
是一种发掘青少年数学才能的竞赛方式.它发源于苏联,而在如今... 美国对奥数不热衷,更关注科学设计比赛在美国,无论是家长还是...
解密丨中美年年互掐，数学抓瞎；葛军年年出题，亦是白搭！
(不是每间学校都有这个条件)会提供 Advanced Placement 课程,也就是宅男们喜闻乐见的 AP课程.以数学为例,高中最高级的 AP...
2009 AIME II真题及答案解析
2009 AIME II真题 答案详细解析请参考文末 Problem 1 Before starting to paint, Bill had ounces of blue paint, ounces of red paint, and ounces of white paint. Bill painted four equally sized stripes on...
2009 AIME I真题及答案解析
2009 AIME I真题 答案解析请参考文末 Problem 1 Call a -digit number geometric if it has distinct digits which, when read from left to right, form a geometric sequence. Find the difference between the...
2010 AIME II真题及答案解析
2010 AIME II真题 答案解析请参考文末 Problem 1 Let be the greatest integer multiple of all of whose digits are even and no two of whose digits are the same. Find the remainder when is divided by . &...
2010 AIME I真题及答案解析
2010 AIME I真题 答案解析请参考文末 Problem 1 Maya lists all the positive divisors of . She then randomly selects two distinct divisors from this list. Let be the probability that exactly one of the...
2011 AIME II真题及答案解析
2011 AIME II真题 答案解析请参考文末 Problem 1 Gary purchased a large beverage, but only drank of it, where and are relatively prime positive integers. If he had purchased half as much and drunk twi...
2011 AIME I真题及答案解析
2011 AIME I真题 答案解析请参考文末 Problem 1 Jar A contains four liters of a solution that is acid. Jar B contains five liters of a solution that is acid. Jar C contains one liter of a solution tha...
