65% in 2022. In 20021year, the mathematical modeling competition in three northeastern provinces was a great success. * * A total of 14 teams participated in the competition and won 3 first prizes, 3 second prizes and 4 third prizes, with a winning rate of 7 1%. In 2022, Dongshan Mathematical Modeling Competition won 2 first prizes, 2 second prizes and 2 third prizes. According to the winning rate of the previous year, the winning rate was 65%. Mathematical modeling competition is the biggest competition in the world.