Maths Olympiad Prep

Library /IMO-Auswahlklausur

IMO-Auswahlklausur

21 problems here, rated 7.3 to 9.2 on our scale (National Olympiad, round 2 to IMO level). 21 of them ask for a proof.

Algebra 1Combinatorics 5Geometry 8Number theory 7
#TopicDiffTypeYear
1 Number theory 7.3 proof — open
2 Combinatorics 7.5 proof — open
3 Geometry 7.6 proof — open
4 Geometry 7.7 proof — open
5 Number theory 7.8 proof — open
6 Algebra 7.8 proof — open
7 Number theory 7.9 proof — open
8 Number theory 8.0 proof — open
9 Geometry 8.0 proof — open
10 Geometry 8.2 proof — open
11 Combinatorics 8.2 proof — open
12 Number theory 8.4 proof — open
13 Combinatorics 8.4 proof — open
14 Geometry 8.4 proof — open
15 Number theory 8.8 proof — open
16 Geometry 8.8 proof — open
17 Number theory 8.9 proof — open
18 Combinatorics 8.9 proof — open
19 Geometry 9.0 proof — open
20 Geometry 9.0 proof — open
21 Combinatorics 9.2 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.