07/10/2018
PROBABILITIES-1
Proposed by Stanley Rabinowitz-New York-USA PROBABILITIES -1 Solution by proposer
06/19/2018
ELEGANT INEQUALITY-145
Proposed by Daniel Sitaru-Romania ELEGANT INEQUALITY-145 Solution 1 by Michael Sterghiou-Greece, Solution 2 by Omran Kouba-Damascus-Syria
05/08/2018
EQUATION IN INTEGERS-2
Proposed by Marian Ursarescu-Romania EQUATION IN INTEGERS-2 Solution by Ravi Prakash-New Delhi-India
04/17/2018
SYSTEMS AND EQUATIONS IN INTEGERS
MathNote by Tarit Goswani-West Bengal-India SYSTEMS AND EQUATIONS IN INTEGERS
11/30/2017
EQUATION IN REAL NUMBERS-10
Proposed by Rovsen Pirguliyev-Sumgait-Azerbaidian EQUATION IN REAL NUMBERS-10 Solution 1 by Abdallah Almalih-Damascus-Syria, Solution 2 by Rajeev Rastogi-India, Solution 3…
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11/08/2017
EQUATION IN REAL NUMBERS-9
Proposed by Rovsen Pirguliyev-Sumgait-Azerbaidian EQUATION IN REAL NUMBERS-9 Solution by Ravi Prakash-New Delhi-Romania
08/28/2017
EQUATION IN NATURAL NUMBERS-8
Proposed by Daniel Sitaru-Romania EQUATION IN NATURAL NUMBERS-8 Solution by Ravi Prakash-New Delhi-India
08/02/2017
EQUATION IN NATURAL NUMBERS-7
Proposed by Daniel Sitaru-Romania EQUATION IN NATURAL NUMBERS-7 Solution 1 by Hasan Bostanlik-Sarkisla-Turkey, Solution 2 by Boris Colakovic-Belgrade-Serbia, Solution 3…
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08/01/2017
EQUATION IN NATURAL NUMBERS-6
Proposed by Daniel Sitaru-Romania EQUATION IN NATURAL NUMBERS-6 Solution 1 by Carlos Suarez-Quito-Ecuador, Solution 2 by Kunihiko Chikaya-Tokyo-Japan