Maths Olympiad Prep

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Japan Junior Mathematical Olympiad

9 problems here, rated 2.7 to 4.8 on our scale (Junior to AIME). 8 of them ask for a proof.

Algebra 3Combinatorics 2Geometry 3Number theory 1
#TopicDiffTypeYear
1 Algebra 2.7 answer open
2 Geometry 3.9 proof open
3 Algebra 4.0 proof open
4 Geometry 4.2 proof open
5 Geometry 4.3 proof open
6 Algebra 4.3 proof open
7 Combinatorics 4.5 proof open
8 Number theory 4.8 proof open
9 Combinatorics 4.8 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.