EQUATION IN REAL NUMBERS-125 Posted on January 23, 2021 by ssmrmh Proposed by Mohammad Hamed Nasery-Afghanistan EQUATION IN REAL NUMBERS-125 Solution 1 by Fayssal Abdelli-Bejaia-Algerie, Solution 2 by Orlando Irahola Ortega-Bolivia, Solution 3 by Christos Tsifakis-Greece