Proposed by Daniel Sitaru-Romania
INEQUALITY IN THREE VARIABLES-4
Solution 1 by Kevin Soto Palacios-Huarmey-Peru
Solution 2 by Pham Quy-Quang Ngai-Vietnam
Proposed by Daniel Sitaru-Romania
INEQUALITY IN THREE VARIABLES-4
Solution 1 by Kevin Soto Palacios-Huarmey-Peru
Solution 2 by Pham Quy-Quang Ngai-Vietnam