10:13
Poland | A Nice Square Root Algebra Problem | Math Olympiad
13:34
Astuces d'entretien d'embauche à l'Université Harvard | (a, b, c) = ?
11:05
Japanese | A Nice Square Root Algebra Problem | Math Olympiad
18:24
Japanese| A Mind Blowing & Brain Buster Olympiad Math Problem| Can you solve this?
14:33