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International Competitions
-- International Mathematical Olympiad
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-- -- 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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455 results
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Problem
Source
Tags
Grade 11 2020 Problem 5
Grade 11 2020
Diophantine
Exp
NT
Grade 11 2021 Problem 1
Grade 11 2021
Divisibility
NT
Grade 11 2022 Problem 2
Grade 11 2022
Diophantine
LCM
NT
Grade 11 2022 Problem 5
Grade 11 2022
NT
Powers
Grade 11 2023 Problem 2
Grade 11 2023
Divisibility
NT
Parity
Grade 11 2024 Problem 4
Grade 11 2024
Divisibility
Inequalities
NT
Grade 11 2025 Problem 2
Grade 11 2025
Divisibility
NT
Grade 11 2025 Problem 5
Grade 11 2025
Factorial
NT
Primes
Grade 11 2026 Problem 3
Grade 11 2026
Log
NT
Grade 11 2020 Problem 5
Grade 11 2020
Divisibility
NT
Grade 11 2020 Problem 7
Grade 11 2020
Divisibility
NT
Primes
Grade 11 2021 Problem 5
Grade 11 2021
Counting
Digits
Divisibility
NT
Grade 11 2021 Problem 7
Grade 11 2021
Algebra
Eq
NT
Grade 11 2022 Problem 4
Grade 11 2022
Counting
Divisibility
NT
Grade 11 2023 Problem 2
Grade 11 2023
NT
Optimization
Grade 11 2023 Problem 6
Grade 11 2023
NT
Optimization
Grade 11 2024 Problem 5
Grade 11 2024
Algebra
Log
NT
Grade 11 2024 Problem 7
Grade 11 2024
Diophantine
NT
Primes
Grade 11 2025 Problem 6
Grade 11 2025
Diophantine
Exp
NT
Grade 11 2025 Problem 7
Grade 11 2025
Diophantine
NT
Primes
Grade 11 2026 Problem 6
Grade 11 2026
Divisibility
Factorial
NT
Grade 11 2015 Problem 3
Grade 11 2015
Composite
NT
Grade 11 2016 Problem 2
Grade 11 2016
Diophantine
NT
Systems
Grade 11 2017 Problem 2
Grade 11 2017
Mod
NT
Powers
Grade 11 2018 Problem 3
Grade 11 2018
Digits
NT
Powers
Grade 11 2019 Problem 3
Grade 11 2019
Diophantine
Exp
NT
Primes
Grade 11 2020 Problem 4
Grade 11 2020
Diophantine
NT
Powers
Grade 11 2021 Problem 4
Grade 11 2021
NT
Powers
Grade 11 2022 Problem 4
Grade 11 2022
Construction
Divisibility
NT
Grade 11 2022 Problem 5
Grade 11 2022
Combinatorics
NT
Grade 11 2024 Problem 3
Grade 11 2024
Diophantine
NT
Powers
Grade 11 2025 Problem 2
Grade 11 2025
NT
Optimization
Powers
Grade 11 2026 Problem 3
Grade 11 2026
Divisibility
NT
Radicals
Grade 12 1992 Problem 2
Grade 12 1992
Algebra
NT
Polynomials
Grade 12 1994 Problem 1
Grade 12 1994
NT
Powers
Seq
Grade 12 1995 Problem 2
Grade 12 1995
Composite
NT
Grade 12 1995 Problem 4
Grade 12 1995
NT
Recurrences
Seq
Grade 12 1996 Problem 1
Grade 12 1996
Eq
NT
Grade 12 1996 Problem 4
Grade 12 1996
NT
Rational
Seq
Grade 12 1997 Problem 1
Grade 12 1997
Digits
Mod
NT
Powers
Grade 12 1998 Problem 2
Grade 12 1998
Divisibility
Mod
NT
Primes
Grade 12 2000 Problem 3
Grade 12 2000
Divisibility
NT
Optimization
Grade 12 2000 Problem 4
Grade 12 2000
NT
Sums
Grade 12 2001 Problem 3
Grade 12 2001
Divisibility
NT
Primes
Grade 12 2002 Problem 3
Grade 12 2002
GCD
NT
Polynomials
Coprime
Grade 12 2002 Problem 4
Grade 12 2002
NT
Seq
Sums
Grade 12 2003 Problem 4
Grade 12 2003
Combinations
Divisibility
NT
Primes
Grade 12 2005 Problem 3
Grade 12 2005
Digits
Divisibility
NT
Powers
Grade 12 2006 Problem 2
Grade 12 2006
Algebra
Divisibility
NT
Grade 12 2007 Problem 1
Grade 12 2007
Divisibility
Mod
NT
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