#CompetitionYearsProblemsYears
1International Mathematical Olympiad1959–2025398
2Middle European Mathematical Olympiad2009–2025160
ProblemSourceTags
International Mathematical Olympiad 1969 Problem 1International Mathematical Olympiad 1969CompositeNTPrimes
International Mathematical Olympiad 1969 Problem 2International Mathematical Olympiad 1969EqFunctionsTrigonometry
International Mathematical Olympiad 1969 Problem 3International Mathematical Olympiad 1969ConstructionGeometry3DTetrahedron
International Mathematical Olympiad 1969 Problem 4International Mathematical Olympiad 1969CircleGeometryIncircleTangentTriangle
International Mathematical Olympiad 1969 Problem 5International Mathematical Olympiad 1969CombinatoricsCountingGeometryQuad
International Mathematical Olympiad 1969 Problem 6International Mathematical Olympiad 1969AlgebraInequalities