Maths Olympiad Prep

Library /XXVII Olimpiada Matemática Rioplatense

XXVII Olimpiada Matemática Rioplatense

24 problems here, rated 4.4 to 7.5 on our scale (AIME to National olympiad, round 2). 24 of them ask for a proof.

Algebra 3Combinatorics 11Geometry 6Number theory 4
#TopicDiffTypeYear
1 Geometry 4.4 proof — open
2 Geometry 5.0 proof — open
3 Geometry 5.1 proof — open
4 Algebra 5.2 proof — open
5 Algebra 5.3 proof — open
6 Geometry 5.7 proof — open
7 Number theory 5.9 proof — open
8 Number theory 6.0 proof — open
9 Combinatorics 6.1 proof — open
10 Combinatorics 6.5 proof — open
11 Combinatorics 6.6 proof — open
12 Geometry 6.7 proof — open
13 Geometry 6.7 proof — open
14 Combinatorics 6.7 proof — open
15 Algebra 6.8 proof — open
16 Combinatorics 6.8 proof — open
17 Combinatorics 7.0 proof — open
18 Number theory 7.0 proof — open
19 Number theory 7.1 proof — open
20 Combinatorics 7.2 proof — open
21 Combinatorics 7.2 proof — open
22 Combinatorics 7.4 proof — open
23 Combinatorics 7.4 proof — open
24 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.