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doan tuan nghia
Hai Phong student wins gold medal at 2025 Hong Kong International Mathematical Olympiad
Doan Tuan Nghia, a 6th-grade student from Hai Phong city, has just won a gold medal at the 2025 Hong Kong International Mathematical Olympiad (HKIMO), his second gold medal this year.
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First Hai Duong student wins gold medal at Thailand International Mathematical Olympiad
6th grader Doan Tuan Nghia in Hai Duong province has won a gold medal in the final round of the 2024 - 2025 Thailand International Mathematical Olympiad.
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.jpg "Hai Phong student wins gold medal at 2025 Hong Kong International Mathematical Olympiad")
.jpg "First Hai Duong student wins gold medal at Thailand International Mathematical Olympiad")