According to the Ministry of Education and Training 's Electronic Information Portal, the Vietnamese team ranked 9th among participating countries, with 6/6 students winning medals, including: 2 Gold Medals, 3 Silver Medals and 1 Bronze Medal.
Vo Trong Khai, grade 12, Phan Boi Chau High School for the Gifted, Nghe An province: Gold Medal (hometown: old Nghi Xuan district, Ha Tinh province).
Tran Minh Hoang, grade 12, Ha Tinh Specialized High School, Ha Tinh province: Gold Medal (hometown: old Nghi Xuan district, Ha Tinh province).
Nguyen Dang Dung, grade 12, High School for the Gifted in Natural Sciences , University of Natural Sciences, Vietnam National University, Hanoi: Silver Medal.
Nguyen Dinh Tung, grade 11, High School for Gifted Students in Natural Sciences, University of Natural Sciences, Vietnam National University, Hanoi: Silver Medal.
Le Phan Duc Man, grade 12, Le Hong Phong High School for the Gifted, Ho Chi Minh City: Silver Medal
Student Truong Thanh Xuan, grade 11, Bac Ninh High School for the Gifted, Bac Ninh province: Bronze Medal.
With a total score of 188, the Vietnamese delegation ranked 9th out of 113 countries and territories participating in this year's exam, behind the delegations of China (1), the US (2), South Korea (3), Poland and Japan (4), Israel (6), India (7), Singapore (8).
Compared to the results in 2024 (2 silver medals, 3 bronze medals and 1 certificate of merit), the achievements of the Vietnamese delegation in 2025 have clearly surpassed.
The 66th International Mathematical Olympiad was held from July 10 to 20, 2025 in Sunshine Coast, Queensland, Australia, with the participation of more than 639 contestants from 113 delegations representing countries and territories. The total number of medals in this year's competition includes: 72 gold medals, 104 silver medals and 145 bronze medals.
The IMO 2025 exam consists of 6 problems: 2 arithmetic problems, 2 combinatorial problems, 1 geometry problem and 1 algebra problem (with combinatorial statements and combinatorial thinking requirements). This shows the trend of this year's exam focusing on combinatorial content.
Notably, the only geometry problem in the exam, problem number 2, was proposed by Vietnam and the author was Mr. Tran Quang Hung, a teacher at the High School for Gifted Students in Natural Sciences, University of Natural Sciences, Vietnam National University, Hanoi.
This is the fourth time Vietnam has had a problem selected for the official IMO exam, after 1977 (author: Phan Duc Chinh), 1982 (author: Van Nhu Cuong) and 1987 (author: Nguyen Minh Duc).
The closing ceremony and awards ceremony of the competition will take place at 16:00 on July 19, 2025 (local time) in Australia.
Source: https://baohatinh.vn/bo-gddt-thong-tin-moi-nhat-ve-2-hoc-sinh-ha-tinh-gianh-hcv-olympic-toan-quoc-te-post292008.html
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