08/17/2019
INEQUALITY IN TRIANGLE-1211
Proposed by Mokhtar Khassani-Mostaganem-Algerie INEQUALITY IN TRIANGLE-1211 Solution 1 by Marian Ursarescu-Romania, Solution 2 by Soumava Chakraborty-Kolkata-India
08/14/2019
PROBLEM 848-THE PENTAGON JOURNAL
Proposed by D.M.Batinetu-Giurgiu,Neculai Stanciu-Romania SOLUTION 848 Solution by Marian Ursarescu-Romania
08/13/2019
PROBLEM 842-THE PENTAGON JOURNAL
Proposed by Jose Luiz Diaz Barrero-Bercelona-Spain SOLUTION 842 Solution by Marian Ursarescu-Romania
07/31/2019
INEQUALITY IN TRIANGLE-1206
Proposed by Marian Voinea-Romania INEQUALITY IN TRIANGLE-1206 Solution 1 by Marian Ursarescu-Romania, Solution 2 by Soumava Chakraborty-Kolkata-India
07/30/2019
ABSTRACT ALGEBRA-12
Proposed by Marian Ursarescu-Romania ABSTRACT ALGEBRA-12 Solution by Florentin Visescu-Romania
07/29/2019
IDENTITY IN TRIANGLE-151
Proposed by Mehmet Sahin-Ankara-Turkey IDENTITY IN TRIANGLE-151 Solution by Marian Ursarescu-Romania
07/27/2019
INEQUALITY IN TRIANGLE-1202
Proposed by George Apostolopoulos-Messolonghi-Greece INEQUALITY IN TRIANGLE-1202 Solution 1 by Marian Ursarescu-Romania, Solution 2 by Bogdan Fustei-Romania, Solution 3 by…
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07/27/2019
INEQUALITY IN TRIANGLE-1201
Proposed by Florica Anastase-Romania INEQUALITY IN TRIANGLE-1201 Solution 1 by Adrian Popa-Romania, Solution 2 by Marian Ursarescu-Romania, Solution 3 by…
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07/26/2019
IDENTITY IN TRIANGLE-150
Proposed by Abdilkadir Altintas-Afyonkarashisar-Turkey IDENTITY IN TRIANGLE-150 Solution by Marian Ursarescu-Romania
07/25/2019
INEQUALITY IN TRIANGLE-1200
Proposed by George Apostolopoulos-Messolonghi-Greece INEQUALITY IN TRIANGLE-1200 Solution 1 by Avishek Mitra-West Bengal-India, Solution 2 by Marian Ursarescu-Romania