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Looking back at IMO 2025 in Australia

2 August 2025

The 66th International Mathematical Olympiad (IMO 2025) took place in July 2025 in Sunshine Coast, Australia, with more than 100 participating countries.

The problems

The six problems of this edition — from the famous Problem 1 about “sunny lines” to the formidable tiling Problem 6 — are archived in our contest papers library (official French version), in PDF and LaTeX formats.

Madagascar’s goal

COMIMa is working towards a future Malagasy delegation at international olympiads. Motivated students are welcome to join us — see the Contact page.