#### SOLVED PROBLEMS FROM CRUX MATHEMATICORUM

Math Note by Daniel Sitaru-Romania SOLVED PROBLEMS FROM CRUX MATHEMATICORUM

#### PROBLEM 5563-SSMA MATH MAGAZINE

Proposed by Jose Luis Diaz Barrero-Barcelona-Spain PROBLEM 5563-SSMA MAGAZINE Solutions 1,2 by Naren Bhandari-Bajura-Nepal, Solution 3 by Alexis Llanos-Lima-Peru

#### PROBLEM 5562-SSMA MATH MAGAZINE

Proposed by Daniel Sitaru-Romania PROBLEM 5562-SSMA MAGAZINE Solution 1 by Tran Hong-Dong Thap-Vietnam, Solution 2 by Sanong Huayrerai-Nakon Pathom-Thailand,Solution 3…

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#### ABOUT PROBLEM SP263-RMM AUTUMN EDITION 2020

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#### PROBLEMS 361-384 LA GACETA DE LA RSME

Problems 361-384 La Gaceta De La RSME PROBLEMS 361-384 LA GACETA DE LA RSME

#### 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