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International Competitions
International Mathematical Olympiad
1985
International Mathematical Olympiad 1985
Documents
Year
Filename
Language
Source
1985
IMO-1985-problems-eng.pdf
en
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Problem
Source
Tags
Problem 1
International Mathematical Olympiad 1985
Circle
Cyclic quad
Geometry
Tangent
Problem 2
International Mathematical Olympiad 1985
Coloring
Combinatorics
NT
Coprime
Problem 3
International Mathematical Olympiad 1985
Algebra
Parity
Polynomials
Problem 4
International Mathematical Olympiad 1985
Combinatorics
NT
Powers
Primes
Problem 5
International Mathematical Olympiad 1985
Angles
Circle
Circumcircle
Geometry
Triangle
Problem 6
International Mathematical Olympiad 1985
Algebra
Inequalities
Recurrences
Seq