03/07/2021
NUMBERS THEORY-30
Proposed by Neculai Stanciu-Romania NUMBERS THEORY-30 Solution 1 by Fayssal Abdelli-Bejaia-Algerie, Solution 2 by Amrit Awasthi-India, Solution 3 by Mohammad…
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02/24/2021
NUMBERS THEORY-29
Proposed by Amrit Awasthi-India NUMBERS THEORY-29 Solution by Mohamed Amine Ben Ajiba-Tanger-Morocco
02/23/2021
NUMBERS THEORY-28
Proposed by Neculai Stanciu-Romania NUMBERS THEORY-28 Solution 1 by Safal Das Biswas-India, Solution 2 by Kamel Gandouli Rezgui-Tunisia
02/15/2021
NUMBERS THEORY-27
Proposed by Neculai Stanciu-Romania NUMBERS THEORY-27 Solution by George Florin Șerban-Romania
02/08/2021
NUMBERS THEORY-26
Proposed by Neculai Stanciu-Romania NUMBERS THEORY-26 Solution by Mohamed Amine Ben Ajiba-Tanger-Morocco
02/06/2021
NUMBERS THEORY-25
Proposed by Neculai Stanciu-Romania NUMBERS THEORY-25 Solution by George Florin Șerban-Romania
02/01/2021
NUMBERS THEORY-24
Proposed by Neculai Stanciu-Romania NUMBERS THEORY-24 Solution by Mohamed Amine Ben Ajiba-Tanger-Morocco
01/30/2021
NUMBERS THEORY-23
Proposed by Neculai Stanciu-Romania NUMBERS THEORY-23 Solution by Fayssal Abdelli-Bejaia-Algerie
01/30/2021
NUMBERS THEORY-22
Proposed by Neculai Stanciu-Romania NUMBERS THEORY-22 Solution 1 by George Florin Șerban-Romania, Solution 2 by Fayssal Abdelli-Bejaia-Algerie
01/28/2021
NUMBERS THEORY-21
Proposed by Neculai Stanciu-Romania NUMBERS THEORY-21 Solution by Naren Bhandari-Bajura-Nepal