Comentarii Jbmo 2015 -

. Commentary suggests this was a very accessible problem, possibly even at a 5th or 6th-grade level, which resulted in a high number of maximum scores.

A significant majority (24 out of 28) of gold and silver medalists achieved a perfect score on Problem 1, confirming its low difficulty. Comentarii JBMO 2015

Participants had to find prime numbers and an integer satisfying the equation Participants had to find prime numbers and an

A problem involving an acute triangle and perpendicular lines from a midpoint. The goal was to prove an equality between two angles, For further analysis, you can explore the full

. Notes indicate that many participants were able to solve this using analytical or vector methods.

For further analysis, you can explore the full JBMO 2015 solutions and commentaries provided by the Viitori Olimpici platform. JBMO 2015 Problems and Solutions | PDF | Mathematics