Library /Area Stage

Area Stage

9 problems here, rated 4.3 to 6.2 on our scale (AIME to National Olympiad). 9 of them ask for a proof.

Algebra 4Combinatorics 1Geometry 2Number theory 2

#	Topic	Diff	Type	Year
1	Algebra	4.3	proof	—	open
2	Combinatorics	5.0	proof	—	open
3	Number theory	5.1	proof	—	open
4	Algebra	5.4	proof	—	open
5	Geometry	5.5	proof	—	open
6	Algebra	5.5	proof	—	open
7	Number theory	5.6	proof	—	open
8	Geometry	5.9	proof	—	open
9	Algebra	6.2	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.