Maths Olympiad Prep

Library /Mathematical competitions in Croatia

Mathematical competitions in Croatia

22 problems here, rated 4.4 to 7.9 on our scale (AIME to National Olympiad, round 2). 22 of them ask for a proof.

Algebra 6Combinatorics 3Geometry 7Number theory 6
#TopicDiffTypeYear
1 Number theory 4.4 proof — open
2 Number theory 4.7 proof — open
3 Number theory 4.8 proof — open
4 Algebra 4.8 proof — open
5 Number theory 4.9 proof — open
6 Algebra 5.0 proof — open
7 Number theory 5.0 proof — open
8 Geometry 5.2 proof — open
9 Algebra 5.3 proof — open
10 Algebra 5.3 proof — open
11 Geometry 5.6 proof — open
12 Algebra 5.8 proof — open
13 Geometry 5.8 proof — open
14 Geometry 5.9 proof — open
15 Geometry 6.1 proof — open
16 Algebra 6.3 proof — open
17 Geometry 6.5 proof — open
18 Combinatorics 6.6 proof — open
19 Geometry 6.6 proof — open
20 Combinatorics 6.8 proof — open
21 Number theory 7.0 proof — open
22 Combinatorics 7.9 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.