Greece National Math Olympiad «ARCHIMEDES» | Problems and Solutions (AoPS) 1985 - 2024

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Turkey Junior National Mathematical Olympiad 2022

Asian Pacific Mathematics Olympiad (APMO) | Problems and Solutions (AoPS) 1989 - 2024 (pdf)

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Turkey Junior National Mathematical Olympiad | Problems and Solutions (AoPS) 1996 - 2023 (pdf)

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Inequalities: Theory of Majorization and Its Applications (pdf)

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South African and Estonian Math Olympiad (SAFEST) | Problems with Solutions (2019 - 2024)

The SAFEST Olympiad is a joint training competition for South African and Estonian IMO teams.

6th SAFEST Olympiad (June 28-29, 2024)
	SAFEST in 2024 took place as a part of the 2nd International Mathematics Summer Camp competition.   Problems:    Problems in Estonian:

Baltic Way Mathematical Contests | Problems with Solutions (1990 - 2023)

Baltic Way 2024 (Tartu, Estonia)
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Baltic Way 2023 (Flensburg, Germany)
	Homepage   Problems:    Problems with solutions:    Results

Διαιρέτες αθροισμάτων

Έστω οι ακεραιοι αριθμοί $a, b, c$  τέτοιοι ώστε το άθροισμα $a + b + c$ να διαιρείται με τον αριθμό $6$ και το άθροισμα $a^2 + b^2 + c^2$ να διαιρείται με τον αριθμό $36$. 

Με τα δεδομένα αυτά προκύπτει ότι το άθροισμα $a^3 + b^3 + c^3$  διαιρείται με το

i) $8$

ii) $27$?

How Geometry Solved the Most Difficult Number Theory Problem at the IMO 2001

Philippine Mathematical Olympiad (PMO) 2007-2024

ΒΙΒΛΙΟ: Inequalities: Theorems, Techniques and Selected Problems (pdf)

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IMO (International Mathematical Olympiad) - Problems and Solutions (10 video)

$(a^3-506a-503)^{10}=?$

USAMO 1982, Problem 4

ΒΙΒΛΙΟ: The USSR Olympiad Problem Book (pdf)

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IMO 2024, Problem 2

$a+b+c=?$

Tο πρόβλημα δόθηκε σε μαθηματικό διαγωνισμό στην Ιαπωνία. Μου το πρότεινε ο αγαπητός φίλος του eisatopon, Carlo de Grandi.

IOQM - Indian Olympiad Qualifier in Mathematics - Problems and Solutions (245 video)

USAMO 1999/3: Introducing FAREY SEQUENCES !

IIT JEE Main and Advanced - Amongst 15 Toughest Exams in the World (119 video)