11/30/2018
CYCLIC INEQUALITY-536
Proposed by Daniel Sitaru-Romania CYCLIC INEQUALITY-536 Solution by Marian Ursarescu-Romania
11/30/2018
LIMIT-175
Proposed by Daniel Sitaru-Romania LIMIT-175 Solution by Togrul Ehmedov-Baku-Azerbaijan
11/30/2018
LIMIT-174
Proposed by Marian Ursarescu-Romania LIMIT-174 Solution by Remus Florin Stanca-Romania
11/30/2018
LIMIT-173
Proposed by Daniel Sitaru-Romania LIMIT-173 Solution by Pierre Mounir-Cairo-Egypt
11/30/2018
INEQUALITY IN TRIANGLE-987
Proposed by Daniel Sitaru-Romania INEQUALITY IN TRIANGLE-987 Solution by Soumava Chakraborty-Kolkata-India
Article by D.M.Batinetu-Giurgiu, Daniel Sitaru, Neculai Stanciu-Romania SOME MATRICES IDENTITIES WITH FIBONACCI NUMBERS AND LUCAS NUMBERS
11/29/2018
PROBLEM 828-THE PENTAGON JOURNAL
Proposed by D.M.Batinetu-Giurgiu, Neculai Stanciu-Romania SOLUTION 828 Solution by Remus Florin Stanca-Romania
11/29/2018
PROBLEM 823-THE PENTAGON JOURNAL
Proposed by Pedro Pantoja-Brazil SOLUTION 823 Solution 1 by Sanong Huayrerai-Nakon Pathom-Thailand, Solution 2 by Tran Hong-Vietnam
11/29/2018
LIMIT-172
Proposed by Daniel Sitaru-Romania LIMIT-172 Solution by Pierre Mounir-Cairo-Egypt
11/29/2018
LIMIT-171
Proposed by Naren Bhandari-Bajura-Nepal LIMIT-171 Solution by Zaharia Burghelea-Romania