AMC 美国数学竞赛难度等级对应的题目
AMERICAN MATHEMATICS CONTEST (AMC) EXAM DIFFICULTY
Questions 1-10 are typically easy even for students with weak mathematical foundation.
Questions 11-15 are more difficult in comparison and they are created with lower-intermediate level skills.
Questions 16-20 are difficult, and only students with upper-intermediate skills can solve them.
Finally, questions 21-25 are very difficult, and these are the questions that set students apart from the rest.