Croatian Competitions 2009

#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
Grade 9 2009 Problem 1Grade 9 2009DigitsEqNT
Grade 9 2009 Problem 2Grade 9 2009AreaGeometryQuad
Grade 9 2009 Problem 3Grade 9 2009AlgebraInequalities
Grade 9 2009 Problem 4Grade 9 2009GeometryLengthsPolygon
Grade 9 2009 Problem 5Grade 9 2009CombinatoricsDivisibilityGames
Grade 10 2009 Problem 1Grade 10 2009DiophantineNT
Grade 10 2009 Problem 2Grade 10 2009CircumcircleConcyclicGeometryQuad
Grade 10 2009 Problem 3Grade 10 2009AlgebraComplexSystems
Grade 10 2009 Problem 4Grade 10 2009AlgebraInequalitiesOptimization
Grade 10 2009 Problem 5Grade 10 2009BoardCombinatoricsGames
Grade 11 2009 Problem 1Grade 11 2009DiophantineNT
Grade 11 2009 Problem 2Grade 11 2009AreaGeometryTriangle
Grade 11 2009 Problem 3Grade 11 2009CircumcircleGeometryInequalitiesTriangle
Grade 11 2009 Problem 4Grade 11 2009AlgebraInequalities
Grade 11 2009 Problem 5Grade 11 2009CombinatoricsCubeGames
Grade 12 2009 Problem 1Grade 12 2009CircumcircleGeometryTriangle
Grade 12 2009 Problem 2Grade 12 2009AlgebraInequalities
Grade 12 2009 Problem 3Grade 12 2009AlgebraFunctionalOptimization
Grade 12 2009 Problem 4Grade 12 2009DivisibilityNT
Grade 12 2009 Problem 5Grade 12 2009GeometryOptimizationPolygon