11:29
Germany| A Very Nice Square Root Algebra Maths Olympiad Problem| Can you solve this?
13:21
Japanese | A Very Nice Square Root Algebra Problem | Math Olympiad || √(81/(9–√80))
8:46
USA | A Very Interesting Algebra Exponential Simplification Olympiad Math Problem| Can you solve?
14:59
USA | A Nice Square Root Algebra Problem | Math Olympiad
7:46