Maths Olympiad Prep

Library /China Mathematical Competition (Complementary Test)

China Mathematical Competition (Complementary Test)

17 problems here, rated 5.4 to 7.1 on our scale (AIME, harder to National Olympiad, round 2). 17 of them ask for a proof.

Algebra 5Combinatorics 4Geometry 6Number theory 2
#TopicDiffTypeYear
1 Algebra 5.4 proof — open
2 Combinatorics 5.4 proof — open
3 Geometry 5.4 proof — open
4 Geometry 5.5 proof — open
5 Geometry 5.5 proof — open
6 Combinatorics 5.7 proof — open
7 Algebra 5.7 proof — open
8 Algebra 5.9 proof — open
9 Algebra 6.0 proof — open
10 Number theory 6.2 proof — open
11 Algebra 6.5 proof — open
12 Number theory 6.5 proof — open
13 Geometry 7.0 proof — open
14 Combinatorics 7.1 proof — open
15 Geometry 7.1 proof — open
16 Geometry 7.1 proof — open
17 Combinatorics 7.1 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.