Croatian Competitions 2019

#CompetitionYearsProblemsYears
Croatian National Competitions
1Grade 91992–2026159
2Grade 101992–2026159
3Grade 111992–2026158
4Grade 121992–2026159
Croatian County-Level Competitions
5Grade 92015–202660
6Grade 102015–202660
7Grade 112015–202660
8Grade 122015–202660
Croatian School-Level Competitions
9Grade 92020–202649
10Grade 102020–202649
11Grade 112020–202649
12Grade 122020–202649
13Croatian Mathematical Olympiad2010–2025252
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ProblemSourceTags
Croatian Mathematical Olympiad 2019 Problem 1-1Croatian Mathematical Olympiad 2019GeometryOptimization
Croatian Mathematical Olympiad 2019 Problem 1-2Croatian Mathematical Olympiad 2019CombinatoricsCountingSeq
Croatian Mathematical Olympiad 2019 Problem 1-3Croatian Mathematical Olympiad 2019ConcyclicGeometryIsoscelesTriangle
Croatian Mathematical Olympiad 2019 Problem 1-4Croatian Mathematical Olympiad 2019DivisibilityNT
Croatian Mathematical Olympiad 2019 Problem 2-1Croatian Mathematical Olympiad 2019AlgebraInequalities
Croatian Mathematical Olympiad 2019 Problem 2-2Croatian Mathematical Olympiad 2019CombinatoricsGeometryOptimization
Croatian Mathematical Olympiad 2019 Problem 2-3Croatian Mathematical Olympiad 2019Cyclic quadGeometryOptimizationQuad
Croatian Mathematical Olympiad 2019 Problem 2-4Croatian Mathematical Olympiad 2019FunctionsNTCoprime
Croatian Mathematical Olympiad 2019 Problem I-1Croatian Mathematical Olympiad 2019AlgebraFunctionalFunctions
Croatian Mathematical Olympiad 2019 Problem I-2Croatian Mathematical Olympiad 2019GamesNT
Croatian Mathematical Olympiad 2019 Problem I-3Croatian Mathematical Olympiad 2019CircleConcyclicGeometryTriangle
Croatian Mathematical Olympiad 2019 Problem I-4Croatian Mathematical Olympiad 2019CountingNTPrimes
Croatian Mathematical Olympiad 2019 Problem M-1Croatian Mathematical Olympiad 2019AlgebraFunctionalFunctionsRational
Croatian Mathematical Olympiad 2019 Problem M-2Croatian Mathematical Olympiad 2019BoardCombinatoricsTiling
Croatian Mathematical Olympiad 2019 Problem M-3Croatian Mathematical Olympiad 2019Cyclic quadGeometryIncircleTangentTriangle
Croatian Mathematical Olympiad 2019 Problem M-4Croatian Mathematical Olympiad 2019CompositeNT
Grade 9 2019 Problem 1Grade 9 2019AlgebraEq
Grade 9 2019 Problem 2Grade 9 2019GeometryIncircleNTRight triangleTriangle
Grade 9 2019 Problem 3Grade 9 2019AlgebraInequalities
Grade 9 2019 Problem 4Grade 9 2019CombinatoricsNT
Grade 9 2019 Problem 5Grade 9 2019AnglesGeometryIsoscelesPerpendicularityTriangle
Grade 10 2019 Problem 1Grade 10 2019AlgebraComplexPolynomials
Grade 10 2019 Problem 2Grade 10 2019AlgebraEq
Grade 10 2019 Problem 3Grade 10 2019GeometryIncircleTangentTriangle
Grade 10 2019 Problem 4Grade 10 2019DiophantineDivisibilityNT
Grade 10 2019 Problem 5Grade 10 2019CombinatoricsGames
Grade 11 2019 Problem 1Grade 11 2019GeometryTriangleTrigonometry
Grade 11 2019 Problem 2Grade 11 2019CountingDivisibilityNT
Grade 11 2019 Problem 3Grade 11 2019BoardCombinatoricsOptimizationTiling
Grade 11 2019 Problem 4Grade 11 2019AlgebraInequalities
Grade 11 2019 Problem 5Grade 11 2019CircumcircleGeometryTriangle
Grade 12 2019 Problem 1Grade 12 2019AlgebraComplexPolynomials
Grade 12 2019 Problem 2Grade 12 2019CombinatoricsGamesCoprime
Grade 12 2019 Problem 3Grade 12 2019AlgebraFunctionalSeq
Grade 12 2019 Problem 4Grade 12 2019AnglesGeometryTriangle
Grade 12 2019 Problem 5Grade 12 2019AlgebraDivisibilityFunctionalNT
Grade 9 2019 Problem 1Grade 9 2019AreaGeometrySimilarityTriangle
Grade 9 2019 Problem 2Grade 9 2019AlgebraEqInequalities
Grade 9 2019 Problem 3Grade 9 2019DiophantineDivisibilityNT
Grade 9 2019 Problem 4Grade 9 2019AreaGeometryIsoscelesPerpendicularityTriangle
Grade 9 2019 Problem 5Grade 9 2019CombinatoricsGames
Grade 10 2019 Problem 1Grade 10 2019AlgebraEqQuadraticsRight triangle
Grade 10 2019 Problem 2Grade 10 2019DiophantineNTPowers
Grade 10 2019 Problem 3Grade 10 2019AlgebraInequalities
Grade 10 2019 Problem 4Grade 10 2019CircleGeometryLengthsTangent
Grade 10 2019 Problem 5Grade 10 2019BoardCombinatoricsCountingOptimization
Grade 11 2019 Problem 1Grade 11 2019AlgebraEqTrigonometry
Grade 11 2019 Problem 2Grade 11 2019Geometry3DTangent
Grade 11 2019 Problem 3Grade 11 2019DiophantineExpNTPrimes
Grade 11 2019 Problem 4Grade 11 2019AnglesEquilateralGeometryPerpendicularityTriangle