The purpose of the entrance examination for senior high school mathematics is to select provincial teams. Generally, the top scores are eligible to participate in China Mathematical Olympics (CMO) or Mathematical Olympics Winter Camp (about 200 people a year), and then chinese mathematical society organizes a proposition, passes a two-day six-question exam, and then awards prizes. Under normal circumstances, the top 30 in China (excluding foreigners, CMO usually invites foreigners to participate) will win the first prize in China.

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Mathematical competition is one of the effective means to discover mathematical talents. Mathematics competition in the modern sense began in Hungary. Most of the winners of some major mathematics competitions have made great achievements in their later careers. Therefore, all developed countries in the world attach great importance to mathematics competitions.

In the past ten years, mathematics competitions in middle schools in China have developed vigorously, with increasing influence. In particular, middle school students in China have been among the best in the most influential and highest-level international mathematical olympiad for many times, and their achievements have attracted worldwide attention, fully demonstrating the intelligence and mathematical ability of the Chinese nation.

It is necessary and beneficial to show one's intelligence and know about the competition situation in China through mathematics competition.