It is necessary to prepare before the game. As the saying goes, "Don't fight unprepared". The mathematics competition is fierce, and the number of places in each province is particularly small. If you want to fight your way out from many masters, you must have enough practice, otherwise you will be eliminated in the preliminary round.
Skills of national college students' mathematics competition;
The two and a half hours of the exam need you to concentrate all your energy on the topic. Non-mathematical individuals think that it depends mainly on the heart. If you miss two fill-in-the-blank questions or a big question, you will be a little hung up. There is no skill in the process. Don't get stuck on a topic. Jump if you don't meet the requirements, and finally attack the questions. Generally speaking, time is enough.