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
06/15/2017
EQUATION IN NATURAL NUMBERS-5
Proposed by Daniel Sitaru-Romania EQUATION IN NATURAL NUMBERS-5 Solution 1 by Bedri Hazriji-Mitrovica-Kosovo, Solution 2 by Ravi Prakash-New Delhi-India, Solution…
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05/27/2017
EQUATION IN REAL NUMBERS-2
Proposed by Rovsen Pirguliyev-Sumgait-Azerbaidian EQUATION IN REAL NUMBERS-2 Solution 1 by Myagmarsuren Yadamsuren-Darkhan-Mongolia, Solution 2 by Ravi Prakash-New Delhi-India, Solution…
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05/12/2017
EQUATION IN REAL NUMBERS-1
Proposed by Hoang Le Nhat Tung-Hanoi-Vietnam EQUATION IN REAL NUMBERS-1 Solution 1 by proposer, Solution 2 by Myagmarsuren Yadamsuren-Darkhan-Mongolia
02/11/2017
EQUATION IN NATURAL NUMBERS-4
Proposed by Daniel Sitaru-Romania EQUATION IN NATURAL NUMBERS-4 Solution 1 by Ravi Prakash-New Delhi-India, Solution 2 by Soumava Pal-Kolkata-India, Solution…
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01/18/2017
NUMBERS THEORY-1
Posted by Kunihiko Chikaya-Tokyo-Japan NUMBERS THEORY-1 Solution by Redwane El Mellass-Morroco
11/09/2016
WITHOUT SOFTS-JUST THINK-2
Proposed by Daniel Sitaru-Romania WITHOUT SOFTS-JUST THINK-2 Solution by Myagmasuren Yadamsuren-Mongolia
11/09/2016
WITHOUT SOFTS-JUST THINK-1
Proposed by Daniel Sitaru-Romania WITHOUT SOFTS-JUST THINK-1 Solution by Myagmarsuren Yadamsuren