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International Competitions
-- International Mathematical Olympiad
-- Middle European Mathematical Olympiad
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-- Croatian Competitions
-- -- Croatian Mathematical Olympiad
-- -- Croatian National Competitions
-- -- -- Grade 9
-- -- -- Grade 10
-- -- -- Grade 11
-- -- -- Grade 12
-- -- Croatian County-Level Competitions
-- -- -- Grade 9
-- -- -- Grade 10
-- -- -- Grade 11
-- -- -- Grade 12
-- -- Croatian School-Level Competitions
-- -- -- Grade 9
-- -- -- Grade 10
-- -- -- Grade 11
-- -- -- Grade 12
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265 results
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Problem
Source
Tags
Grade 10 2025 Problem 1
Grade 10 2025
Algebra
Optimization
Quadratics
Grade 10 2026 Problem 2
Grade 10 2026
Algebra
Coord
Optimization
Quadratics
Grade 10 2015 Problem 2
Grade 10 2015
Algebra
Inequalities
Optimization
Grade 10 2016 Problem 1
Grade 10 2016
Area
Geometry
Optimization
Right triangle
Grade 10 2017 Problem 2
Grade 10 2017
Complex
Optimization
Grade 10 2018 Problem 2
Grade 10 2018
Area
Geometry
Optimization
Square
Triangle
Grade 10 2019 Problem 5
Grade 10 2019
Board
Combinatorics
Counting
Optimization
Grade 10 2021 Problem 3
Grade 10 2021
Algebra
Functions
Optimization
Quadratics
Grade 10 2025 Problem 1
Grade 10 2025
Area
Circle
Geometry
Optimization
Grade 10 2025 Problem 5
Grade 10 2025
Board
Combinatorics
Optimization
Grade 10 2026 Problem 2
Grade 10 2026
Divisibility
NT
Optimization
Grade 10 2026 Problem 5
Grade 10 2026
Board
Combinatorics
Games
Optimization
Grade 11 1992 Problem 3
Grade 11 1992
Area
Geometry
Optimization
Grade 11 1995 Problem 1
Grade 11 1995
Divisibility
NT
Optimization
Grade 11 1999 Problem 3
Grade 11 1999
Circle
Geometry
Optimization
Triangle
Grade 11 2004 Problem 1
Grade 11 2004
Circle
Geometry
Optimization
Square
Grade 11 2005 Problem 3
Grade 11 2005
Geometry
Optimization
3D
Grade 11 2007 Problem 4
Grade 11 2007
Combinatorics
Optimization
Seq
Grade 11 2008 Problem 3
Grade 11 2008
Abs
NT
Optimization
Grade 11 2008 Problem 5
Grade 11 2008
Board
Combinatorics
Optimization
Grade 11 2013 Problem 1
Grade 11 2013
Algebra
Optimization
Radicals
Grade 11 2017 Problem 1
Grade 11 2017
Algebra
Optimization
Trigonometry
Grade 11 2019 Problem 3
Grade 11 2019
Board
Combinatorics
Optimization
Tiling
Grade 11 2023 Problem 4
Grade 11 2023
Algebra
Counting
Inequalities
Optimization
Grade 11 2025 Problem 3
Grade 11 2025
Combinatorics
Optimization
Tables
Grade 11 2020 Problem 1
Grade 11 2020
Algebra
Optimization
Trigonometry
Grade 11 2020 Problem 6
Grade 11 2020
Optimization
3D
Grade 11 2021 Problem 4
Grade 11 2021
Combinatorics
Optimization
Tiling
Grade 11 2022 Problem 2
Grade 11 2022
Algebra
Exp
Functions
Optimization
Grade 11 2023 Problem 2
Grade 11 2023
NT
Optimization
Grade 11 2023 Problem 6
Grade 11 2023
NT
Optimization
Grade 11 2024 Problem 4
Grade 11 2024
Algebra
Construction
Optimization
Grade 11 2025 Problem 3
Grade 11 2025
Optimization
3D
Grade 11 2026 Problem 5
Grade 11 2026
Board
Coloring
Combinatorics
Optimization
Grade 11 2016 Problem 4
Grade 11 2016
Circle
Geometry
Optimization
Tangent
Grade 11 2016 Problem 5
Grade 11 2016
Board
Coloring
Combinatorics
Optimization
Grade 11 2017 Problem 5
Grade 11 2017
Combinatorics
Optimization
Grade 11 2018 Problem 5
Grade 11 2018
Combinatorics
Optimization
Seq
Grade 11 2020 Problem 2
Grade 11 2020
Algebra
Optimization
Trigonometry
Grade 11 2025 Problem 2
Grade 11 2025
NT
Optimization
Powers
Grade 11 2025 Problem 5
Grade 11 2025
Combinatorics
Graphs
Optimization
Polygon
Grade 12 2000 Problem 3
Grade 12 2000
Divisibility
NT
Optimization
Grade 12 2001 Problem 4
Grade 12 2001
Combinatorics
Optimization
Tables
Grade 12 2008 Problem 5
Grade 12 2008
Board
Combinatorics
Optimization
Grade 12 2009 Problem 3
Grade 12 2009
Algebra
Functional
Optimization
Grade 12 2009 Problem 5
Grade 12 2009
Geometry
Optimization
Polygon
Grade 12 2015 Problem 5
Grade 12 2015
Board
Combinatorics
Optimization
Tiling
Grade 12 2018 Problem 2
Grade 12 2018
Complex
Optimization
Grade 12 2018 Problem 5
Grade 12 2018
Combinatorics
Graphs
Optimization
Grade 12 2022 Problem 5
Grade 12 2022
Board
Combinatorics
Optimization
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