Library /Argentina_2018

Argentina_2018

17 problems here, rated 5.3 to 7.3 on our scale (AIME, harder to National olympiad, round 2). 17 of them ask for a proof.

Algebra 3Combinatorics 7Geometry 4Number theory 3

#	Topic	Diff	Type	Year
1	Number theory	5.3	proof	—	open
2	Combinatorics	5.4	proof	—	open
3	Number theory	5.5	proof	—	open
4	Combinatorics	5.6	proof	—	open
5	Geometry	5.7	proof	—	open
6	Number theory	5.7	proof	—	open
7	Geometry	5.7	proof	—	open
8	Combinatorics	5.8	proof	—	open
9	Combinatorics	5.8	proof	—	open
10	Combinatorics	5.9	proof	—	open
11	Combinatorics	6.0	proof	—	open
12	Combinatorics	6.2	proof	—	open
13	Geometry	6.3	proof	—	open
14	Algebra	6.4	proof	—	open
15	Algebra	6.5	proof	—	open
16	Geometry	6.8	proof	—	open
17	Algebra	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.