06/15/2020
EQUATION IN INTEGERS-6
Proposed by Costel Florea-Romania EQUATION IN INTEGERS-6 Solution 1 by Rovsen Pirguliyev-Sumgait-Azerbaijan, Solution 2 by Izumi Ainsworth-Lima-Peru
06/05/2020
NUMBERS THEORY-9
Proposed by Angel Plaza-Spain NUMBERS THEORY-9 Solution by Naren Bhandari-Bajura-Nepal
06/04/2020
NUMBERS THEORY-8
Proposed by Naren Bhandari-Bajura-Nepal NUMBERS THEORY-8 Solution 1 by Surjeet Singhania-India, Solution 2 by Kamel Benaicha-Algiers-Algerie
05/16/2020
NUMBERS THEORY-7
Proposed by Adil Abdullayev-Baku-Azerbaijan NUMBERS THEORY-7 Solution by Abdul Hannan-Kolkata-India
04/23/2020
EQUATION IN INTEGERS-5
Proposed by Daniel Sitaru-Romania EQUATION IN INTEGERS-5 Solution 1 by Bedri Hajrizi-Mitrovica-Kosovo, Solution 2 by Rovsen Pirguliyev-Sumgait-Azerbaijan
04/13/2020
NUMBERS THEORY-6
Proposed by Rajeev Rastogi-India NUMBERS THEORY-6 Solution by Florentin Visescu-Romania
04/09/2020
EQUATION IN INTEGERS-4
Proposed by Jalil Hajimir-Toronto-Canada EQUATION IN INTEGERS-4 Solution by Bedri Hajrizi-Mitrovica-Kosovo
03/06/2020
ELEGANT INEQUALITY-315
Proposed by Rajeev Rastogi-India ELEGANT INEQUALITY-315 Solution by George Florin Serban-Romania
02/12/2020
NUMBERS THEORY-5
Proposed by Surjeet Singhania-India NUMBERS THEORY-5 Solution by George Florin Serban-Romania
12/19/2019
EQUATION IN INTEGERS-3
Proposed by Rahim Shahbazov-Baku-Azerbaijan EQUATION IN INTEGERS-3 Solution 1 by Gabriel Ruddy Cruz Mendez-Lima-Peru, Solution 2 by Naren Bhandari-Bajura-Nepal