Croatian Competitions 2013

#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 2013 Problem 1-1Croatian Mathematical Olympiad 2013AlgebraInequalities
Croatian Mathematical Olympiad 2013 Problem 1-2Croatian Mathematical Olympiad 2013ColoringCombinatoricsConstructionGames
Croatian Mathematical Olympiad 2013 Problem 1-3Croatian Mathematical Olympiad 2013CircumcircleGeometryOrthocenterParallelogramTriangle
Croatian Mathematical Olympiad 2013 Problem 1-4Croatian Mathematical Olympiad 2013DiophantineDivisibilityNT
Croatian Mathematical Olympiad 2013 Problem 2-1Croatian Mathematical Olympiad 2013AlgebraFunctionalInequalities
Croatian Mathematical Olympiad 2013 Problem 2-2Croatian Mathematical Olympiad 2013DivisibilityModNTPermutations
Croatian Mathematical Olympiad 2013 Problem 2-3Croatian Mathematical Olympiad 2013AnglesGeometryTriangle
Croatian Mathematical Olympiad 2013 Problem 2-4Croatian Mathematical Olympiad 2013AlgebraConstructionNT
Croatian Mathematical Olympiad 2013 Problem I-1Croatian Mathematical Olympiad 2013AlgebraInequalitiesOptimizationPowers
Croatian Mathematical Olympiad 2013 Problem I-2Croatian Mathematical Olympiad 2013CombinatoricsCounting
Croatian Mathematical Olympiad 2013 Problem I-3Croatian Mathematical Olympiad 2013CircumcircleGeometryIsoscelesPerpendicularityTriangle
Croatian Mathematical Olympiad 2013 Problem I-4Croatian Mathematical Olympiad 2013DivisibilityExpNTPrimes
Croatian Mathematical Olympiad 2013 Problem M-1Croatian Mathematical Olympiad 2013AlgebraInequalitiesSums
Croatian Mathematical Olympiad 2013 Problem M-2Croatian Mathematical Olympiad 2013CombinatoricsConstructionCounting
Croatian Mathematical Olympiad 2013 Problem M-3Croatian Mathematical Olympiad 2013CircumcircleGeometryIncircleRight triangle
Croatian Mathematical Olympiad 2013 Problem M-4Croatian Mathematical Olympiad 2013DivisibilityExpNT
Grade 9 2013 Problem 1Grade 9 2013AlgebraSystems
Grade 9 2013 Problem 2Grade 9 2013DiophantineNT
Grade 9 2013 Problem 3Grade 9 2013GeometryInequalitiesRight triangle
Grade 9 2013 Problem 4Grade 9 2013AreaGeometryPolygon
Grade 9 2013 Problem 5Grade 9 2013CombinatoricsOptimization
Grade 10 2013 Problem 1Grade 10 2013AlgebraComplexPolynomials
Grade 10 2013 Problem 2Grade 10 2013AlgebraRadicals
Grade 10 2013 Problem 3Grade 10 2013DiophantineNT
Grade 10 2013 Problem 4Grade 10 2013CircleConcyclicGeometryTrapezoid
Grade 10 2013 Problem 5Grade 10 2013BoardCombinatoricsConstruction
Grade 11 2013 Problem 1Grade 11 2013AlgebraOptimizationRadicals
Grade 11 2013 Problem 2Grade 11 2013DiophantineNTPrimes
Grade 11 2013 Problem 3Grade 11 2013AlgebraInequalitiesTrigonometry
Grade 11 2013 Problem 4Grade 11 2013CircleGeometryOrthocenterTriangle
Grade 11 2013 Problem 5Grade 11 2013CombinatoricsCounting
Grade 12 2013 Problem 1Grade 12 2013DivisibilityNT
Grade 12 2013 Problem 2Grade 12 2013AlgebraInequalitiesRecurrences
Grade 12 2013 Problem 3Grade 12 2013AlgebraInequalitiesQuadratics
Grade 12 2013 Problem 4Grade 12 2013CircleGeometry
Grade 12 2013 Problem 5Grade 12 2013CombinatoricsNTCoprime