CYCLIC INEQUALITY-161 Posted on May 30, 2017 by ssmrmh Proposed by Nguyen Ngoc Tu-Ha Giang-Vietnam CYCLIC INEQUALITY-161 Solution 1 by Abdul Aziz-Semarang-Indonesia, Solution 2 by Hoang Le Nhat Tung-Hanoi-Vietnam, Solution 3 by Seyran Ibrahimov-Maasilli-Azerbaidian