Maths Olympiad Prep

Library /Olimpiada Matemática Rioplatense

Olimpiada Matemática Rioplatense

21 problems here, rated 5 to 7.5 on our scale (AIME, harder to National Olympiad, round 2). 21 of them ask for a proof.

Algebra 3Combinatorics 10Geometry 4Number theory 4
#TopicDiffTypeYear
1 Geometry 5.0 proof — open
2 Geometry 5.1 proof — open
3 Algebra 5.2 proof — open
4 Algebra 5.3 proof — open
5 Geometry 5.7 proof — open
6 Number theory 5.9 proof — open
7 Number theory 6.0 proof — open
8 Combinatorics 6.1 proof — open
9 Combinatorics 6.5 proof — open
10 Combinatorics 6.6 proof — open
11 Geometry 6.7 proof — open
12 Combinatorics 6.7 proof — open
13 Algebra 6.8 proof — open
14 Combinatorics 6.8 proof — open
15 Combinatorics 7.0 proof — open
16 Number theory 7.0 proof — open
17 Number theory 7.1 proof — open
18 Combinatorics 7.2 proof — open
19 Combinatorics 7.2 proof — open
20 Combinatorics 7.4 proof — open
21 Combinatorics 7.5 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.