#### PROBLEM W13-JOSZEF WILDT

Proposed by Jose Luiz Diaz Barrero-Barcelona-Spain PROBLEM W13 Solution 1 by Adrian Popa-Romania, Solution 2 by Ravi Prakash-New Delhi-India

#### PROBLEM W6-JOSZEF WILDT

Proposed by D.M.Batinetu-Giurgiu,Neculai Stanciu-Romania PROBLEM W6-WILDT Solution 1 by Ravi Prakash-New Delhi-India, Solution 2 by Serban George Florin-Romania

#### PROBLEM W14-JOSZEF WILDT

Proposed by Daniel Sitaru-Romania Problem W14 WILDT Solution 1 by Khaled Abd Imouti-Damascus-Syria, Solution 2 by Remus Florin Stanca-Romania, Solution…

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#### PAN AFRICAN MATHEMATICS OLYMPIAD 2009-2019

PAN AFRICAN MATHEMATICS OLYMPIAD 2009-2019_compressed

#### ASIAN PACIFIC MATHEMATICS OLYMPIAD 2005-2019

ASIAN PACIFIC MATHEMATICS OLYMPIAD 2005-2019-compressed

#### PROBLEM 835-THE PENTAGON JOURNAL

Proposed by D.M.Batinetu-Giurgiu, Neculai Stanciu-Romania PROBLEM 835 Solution by Marian Ursarescu-Romania

#### PROBLEM 834-THE PENTAGON JOURNAL

Proposed by D.M.Batinetu-Giurgiu, Neculai Stanciu-Romania PROBLEM 834 Solution by Marian Ursarescu-Romania

#### PROBLEM 830-THE PENTAGON JOURNAL

Proposed by Daniel Sitaru-Romania PROBLEM 830 Solution 1 by Jalil Hajimir-Canada, Solution 2 by Mokhtar Khassani-Mostaganem-Algerie, Solution 3 by Remus…

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#### PROBLEM 833-THE PENTAGON JOURNAL

Proposed by Jose Luiz Diaz Barrero-Barcelona-Spain PROBLEM 833 Solution 1 by Marian Ursarescu-Romania, Solution 2 by Michael Sterghiou-Greece, Solution 3…

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#### PROBLEM 362-LA GACETA DE LA RSME

Proposed by Cornel Ioan Valean-Romania PROBLEM 362 Solution by Kartick Chandra Betal-India