04/30/2020
INEQUALITY IN TRIANGLE-1527
Proposed by Nguyen Van Canh-Ben Tre-Vietnam INEQUALITY IN TRIANGLE-1527 Solution 1 by Tran Hong-Dong Thap-Vietnam, Solution 2 by Soumava Chakraborty-Kolkata-India
04/30/2020
INEQUALITY IN TRIANGLE-1526
Proposed by Mokhtar Khassani-Mostaganem-Algerie INEQUALITY IN TRIANGLE-1526 Solution 1 by Bogdan Fustei-Romania, Solution 2 by Tran Hong-Dong Thap-Vietnam
04/30/2020
INEQUALITY IN TRIANGLE-1525
Proposed by Adil Abdullayev-Baku-Azerbaijan INEQUALITY IN TRIANGLE-1525 Solution 1 by Bogdan Fustei-Romania, Solution 2 by Marian Ursarescu-Romania
04/30/2020
INEQUALITY IN TRIANGLE-1524
Proposed by Rahim Shahbazov-Baku-Azerbaijan INEQUALITY IN TRIANGLE-1524 Solution by Tran Hong-Dong Thap-Vietnam
04/30/2020
INEQUALITY IN TRIANGLE-1523
Proposed by Marin Chirciu-Romania INEQUALITY IN TRIANGLE-1523 Solution by Tran Hong-Dong Thap-Vietnam
04/30/2020
INEQUALITY IN TRIANGLE-1522
Proposed by Bogdan Fustei-Romania INEQUALITY IN TRIANGLE-1522 Solution by Soumava Chakraborty-Kolkata-India
04/29/2020
INTEGRAL CALCULUS-229
Proposed by Marin Chirciu-Romania INTEGRAL CALCULUS-229 Solution 1 by Kamel Benaicha-Algiers-Algerie, Solution 2 by Mokhtar Khassani-Mostaganem-Algerie, Solution 3 by Florica…
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04/29/2020
LIMIT-378
Proposed by Daniel Sitaru-Romania LIMIT-378 Solution by Kamel Benaicha-Algiers-Algerie
04/29/2020
LIMIT-376
Proposed by Abdul Mukhtar-Nigerie LIMIT-376 Solution by Kamel Benaicha-Algiers-Algerie
04/29/2020
LIMIT-377
Proposed by Daniel Sitaru-Romania LIMIT-377 Solution by Florentin Visescu-Romania