Maths Olympiad Prep

Library /Croatian Mathematical Society Competitions

Croatian Mathematical Society Competitions

17 problems here, rated 5.1 to 7.2 on our scale (AIME, harder to National olympiad, round 2). 17 of them ask for a proof.

Algebra 8Combinatorics 3Geometry 4Number theory 2
#TopicDiffTypeYear
1 Geometry 5.1 proof — open
2 Number theory 5.1 proof — open
3 Algebra 5.3 proof — open
4 Algebra 5.4 proof — open
5 Algebra 5.5 proof — open
6 Algebra 5.5 proof — open
7 Geometry 5.5 proof — open
8 Algebra 5.7 proof — open
9 Number theory 5.8 proof — open
10 Algebra 5.9 proof — open
11 Combinatorics 6.0 proof — open
12 Algebra 6.0 proof — open
13 Combinatorics 6.3 proof — open
14 Algebra 6.6 proof — open
15 Geometry 6.6 proof — open
16 Geometry 6.6 proof — open
17 Combinatorics 7.2 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.