#### PROBLEM 843-THE PENTAGON JOURNAL

Proposed by Daniel Sitaru-Romania SOLUTION 843 Solution by Marian Ursarescu-Romania

#### PROBLEM 845-THE PENTAGON JOURNAL

Proposed by Daniel Sitaru-Romania SOLUTION 845 Solution 1 by Soumava Chakraborty-Kolkata-India, Solution 2 by Soumitra Mandal-Chandar Nagore-India

#### PROBLEM 846-THE PENTAGON JOURNAL

Proposed by Pedro Pantoja-Natal-Brazil SOLUTION 846 Solution 1 by Kamel Benaicha-Algiers-Algerie, Solution 2 by Remus Florin Stanca-Romania

#### PROBLEM 848-THE PENTAGON JOURNAL

Proposed by D.M.Batinetu-Giurgiu,Neculai Stanciu-Romania SOLUTION 848 Solution by Marian Ursarescu-Romania

#### PROBLEM 842-THE PENTAGON JOURNAL

Proposed by Jose Luiz Diaz Barrero-Bercelona-Spain SOLUTION 842 Solution by Marian Ursarescu-Romania

#### PROBLEM W17-JOSZEF WILDT

Proposed by Angel Plaza-Italy PROBLEM W17 Solution by Soumitra Mandal-Chandar Nagore-India

#### 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