Croatian Mathematical Olympiad 2025

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ProblemSourceTags
Problem 1-1Croatian Mathematical Olympiad 2025AnglesGeometryPerpendicularityTriangle
Problem 1-2Croatian Mathematical Olympiad 2025CombinatoricsOptimizationPowers
Problem 1-3Croatian Mathematical Olympiad 2025DivisibilityNTPrimesSeq
Problem 2-1Croatian Mathematical Olympiad 2025DivisibilityNTSeq
Problem 2-2Croatian Mathematical Olympiad 2025AlgebraFunctionalPolynomials
Problem 2-3Croatian Mathematical Olympiad 2025CircumcircleGeometryIncircleOrthocenterTriangle
Problem 3-1Croatian Mathematical Olympiad 2025AlgebraFunctionsInequalities
Problem 3-2Croatian Mathematical Olympiad 2025CircumcircleCyclic quadGeometryQuad
Problem 3-3Croatian Mathematical Olympiad 2025CombinatoricsCountingOptimization
Problem 4-1Croatian Mathematical Olympiad 2025BoardCombinatoricsOptimization
Problem 4-2Croatian Mathematical Olympiad 2025DivisibilityFactorialNT
Problem 4-3Croatian Mathematical Olympiad 2025AbsAlgebraInequalitiesOptimization