この機会について
The 67th session of the International Mathematical Olympiad (IMO) to be hosted in Shanghai. The event webpage states participation from 100+ countries/territories and 1000+ participants. The site includes programme information, timelines and sponsor details for the Shanghai-hosted IMO.
ℹ️ 応募前に必ず公式サイトで詳細をご確認ください。誤りを見つけたら、ぜひお知らせください。
