02/18/2019
PROBLEM 4081-CRUX MATHEMATICORUM
Proposed by Daniel Sitaru-Romania PROBLEM 4081-CRUX Solution 1 by Kelvin Hong-Rawang-Malaysia, Solution 2 by Marian Ursarescu-Romania
02/18/2019
PROBLEM 4082-CRUX MATHEMATICORUM
Proposed by D.M.Batinetu-Giurgiu, Neculai Stanciu-Romania PROBLEM- 4082 CRUX Solution 1 by Myagmarsuren Yadamsuren-Darkhan-Mongolia, Solution 2 by Marian Ursarescu-Romania, Solution 3…
Read More
02/13/2019
PROBLEM 4077-CRUX MATHEMATICORUM
Proposed by George Apostolopoulos-Messolonghi-Greece PROBLEM 4077-CRUX Solution 1 by Marian Ursarescu-Romania, Solutions 2,3 by Soumitra Mandal-Chandar Nagore-India, Solutions 4,5 by…
Read More
02/12/2019
LIMIT-208
Proposed by Marian Ursarescu-Romania LIMIT-208 Solution by Soumitra Mandal-Chandar Nagore-India
02/11/2019
INEQUALITY IN TRIANGLE-1075
Proposed by Adil Abdullayev-Baku-Azerbaijan INEQUALITY IN TRIANGLE-1075 Solution 1 by Tran Hong-Dong Thap-Vietnam, Solution 2 by Marian Ursarescu-Romania, Solution 3…
Read More
02/10/2019
INEQUALITY IN TRIANGLE-1074
Proposed by Daniel Sitaru-Romania INEQUALITY IN TRIANGLE-1074 Solution 1 by Soumava Chakraborty-Kolkata-India, Solution 2 by Tran Hong-Dong Thap-Vietnam
02/09/2019
INEQUALITY IN TRIANGLE-1073
Proposed by Marian Ursarescu-Romania INEQUALITY IN TRIANGLE-1073 Solution by Tran Hong-Dong Thap-Vietnam
02/08/2019
INEQUALITY IN TRIANGLE-1070
Proposed by Marian Ursarescu-Romania INEQUALITY IN TRIANGLE-1070 Solution 1 by Tran Hong-Dong Thap-Vietnam, Solution 2 by Soumava Chakraborty-Kolkata-India
02/08/2019
ELEGANT INEQUALITY-225
Proposed by Marian Ursarescu-Romania ELEGANT INEQUALITY-225 Solution 1 by Serban George Florin-Romania, Solution 2 by Ravi Prakash-New Delhi-India
02/08/2019
LIMIT-207
Proposed by Daniel Sitaru-Romania LIMIT-207 Solution by Marian Ursarescu-Romania