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International Mathematical Olympiad 1975 Problem 1
International Mathematical Olympiad 1975
Algebra
Inequalities
Optimization
International Mathematical Olympiad 1975 Problem 2
International Mathematical Olympiad 1975
NT
Seq
International Mathematical Olympiad 1975 Problem 3
International Mathematical Olympiad 1975
Angles
Construction
Geometry
Triangle
International Mathematical Olympiad 1975 Problem 4
International Mathematical Olympiad 1975
Digits
NT
Powers
International Mathematical Olympiad 1975 Problem 5
International Mathematical Olympiad 1975
Circle
Construction
Geometry
Rational
International Mathematical Olympiad 1975 Problem 6
International Mathematical Olympiad 1975
Algebra
Functional
Polynomials
International Mathematical Olympiad 1976 Problem 1
International Mathematical Olympiad 1976
Area
Geometry
Optimization
Quad
International Mathematical Olympiad 1976 Problem 2
International Mathematical Olympiad 1976
Algebra
Eq
Functions
Polynomials
Recurrences
International Mathematical Olympiad 1976 Problem 3
International Mathematical Olympiad 1976
Cube
Optimization
3D
International Mathematical Olympiad 1976 Problem 4
International Mathematical Olympiad 1976
Algebra
Inequalities
Optimization
International Mathematical Olympiad 1976 Problem 5
International Mathematical Olympiad 1976
Algebra
Systems
International Mathematical Olympiad 1976 Problem 6
International Mathematical Olympiad 1976
Algebra
Powers
Recurrences
Seq
International Mathematical Olympiad 1977 Problem 1
International Mathematical Olympiad 1977
Coord
Equilateral
Geometry
Square
International Mathematical Olympiad 1977 Problem 2
International Mathematical Olympiad 1977
Algebra
Optimization
Seq
International Mathematical Olympiad 1977 Problem 3
International Mathematical Olympiad 1977
Construction
NT
Primes
International Mathematical Olympiad 1977 Problem 4
International Mathematical Olympiad 1977
Algebra
Inequalities
Trigonometry
International Mathematical Olympiad 1977 Problem 5
International Mathematical Olympiad 1977
Algebra
Diophantine
NT
Remainders
International Mathematical Olympiad 1977 Problem 6
International Mathematical Olympiad 1977
Algebra
Functional
Functions
International Mathematical Olympiad 1978 Problem 1
International Mathematical Olympiad 1978
Mod
NT
Powers
International Mathematical Olympiad 1978 Problem 2
International Mathematical Olympiad 1978
Coord
Geometry
Perpendicularity
3D
International Mathematical Olympiad 1978 Problem 3
International Mathematical Olympiad 1978
Combinatorics
Functions
Seq
International Mathematical Olympiad 1978 Problem 4
International Mathematical Olympiad 1978
Circle
Circumcircle
Geometry
Incircle
Triangle
International Mathematical Olympiad 1978 Problem 5
International Mathematical Olympiad 1978
Algebra
Inequalities
Seq
Sums
International Mathematical Olympiad 1978 Problem 6
International Mathematical Olympiad 1978
Combinatorics
Counting
International Mathematical Olympiad 1979 Problem 1
International Mathematical Olympiad 1979
Divisibility
NT
Sums
International Mathematical Olympiad 1979 Problem 2
International Mathematical Olympiad 1979
Coloring
Combinatorics
3D
International Mathematical Olympiad 1979 Problem 3
International Mathematical Olympiad 1979
Circle
Geometry
International Mathematical Olympiad 1979 Problem 4
International Mathematical Olympiad 1979
Geometry
Optimization
3D
International Mathematical Olympiad 1979 Problem 5
International Mathematical Olympiad 1979
Algebra
Systems
International Mathematical Olympiad 1979 Problem 6
International Mathematical Olympiad 1979
Combinatorics
Counting
Polygon
Recurrences
International Mathematical Olympiad 1981 Problem 1
International Mathematical Olympiad 1981
Geometry
Optimization
Perpendicularity
Triangle
International Mathematical Olympiad 1981 Problem 2
International Mathematical Olympiad 1981
Combinations
Combinatorics
Counting
International Mathematical Olympiad 1981 Problem 3
International Mathematical Olympiad 1981
Diophantine
NT
Optimization
International Mathematical Olympiad 1981 Problem 4
International Mathematical Olympiad 1981
Divisibility
LCM
NT
International Mathematical Olympiad 1981 Problem 5
International Mathematical Olympiad 1981
Circle
Circumcircle
Geometry
Incircle
Triangle
International Mathematical Olympiad 1981 Problem 6
International Mathematical Olympiad 1981
Algebra
Functional
Recurrences
International Mathematical Olympiad 1982 Problem 1
International Mathematical Olympiad 1982
Functional
NT
International Mathematical Olympiad 1982 Problem 2
International Mathematical Olympiad 1982
Collinear
Geometry
Incircle
Triangle
International Mathematical Olympiad 1982 Problem 3
International Mathematical Olympiad 1982
Inequalities
Optimization
Seq
International Mathematical Olympiad 1982 Problem 4
International Mathematical Olympiad 1982
Diophantine
NT
International Mathematical Olympiad 1982 Problem 5
International Mathematical Olympiad 1982
Collinear
Coord
Geometry
Polygon
International Mathematical Olympiad 1982 Problem 6
International Mathematical Olympiad 1982
Geometry
Optimization
Square
International Mathematical Olympiad 1983 Problem 1
International Mathematical Olympiad 1983
Algebra
Functional
International Mathematical Olympiad 1983 Problem 2
International Mathematical Olympiad 1983
Angles
Circle
Geometry
Tangent
International Mathematical Olympiad 1983 Problem 3
International Mathematical Olympiad 1983
NT
Optimization
Coprime
International Mathematical Olympiad 1983 Problem 4
International Mathematical Olympiad 1983
Coloring
Equilateral
Geometry
Right triangle
International Mathematical Olympiad 1983 Problem 5
International Mathematical Olympiad 1983
Combinatorics
Construction
Counting
International Mathematical Olympiad 1983 Problem 6
International Mathematical Olympiad 1983
Algebra
Inequalities
Triangle
International Mathematical Olympiad 1984 Problem 1
International Mathematical Olympiad 1984
Algebra
Inequalities
Optimization
International Mathematical Olympiad 1984 Problem 2
International Mathematical Olympiad 1984
Divisibility
Mod
NT
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