Library /Selected Problems from the Final Round of National Olympiad

Selected Problems from the Final Round of National Olympiad

9 problems here, rated 5.1 to 7.3 on our scale (AIME, harder to National olympiad, round 2). 9 of them ask for a proof.

Algebra 3Geometry 4Number theory 2

#	Topic	Diff	Type	Year
1	Algebra	5.1	proof	—	open
2	Algebra	5.4	proof	—	open
3	Number theory	5.7	proof	—	open
4	Number theory	5.8	proof	—	open
5	Algebra	5.9	proof	—	open
6	Geometry	6.5	proof	—	open
7	Geometry	6.6	proof	—	open
8	Geometry	7.0	proof	—	open
9	Geometry	7.3	proof	—	open

These are sorted by difficulty within the competition, but they aren't a course. The track is the route through, drawn from all the sources at once.