Comentarii Jbmo 2015 【iOS】

. 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.

Problem 3 (Geometry) was noted for its "attackability" through multiple different methods, including classic Euclidean geometry, vectors, and coordinate geometry. Comentarii JBMO 2015

This problem involved minimizing a specific expression given the constraint including classic Euclidean geometry

Participants had to find prime numbers and an integer satisfying the equation Comentarii JBMO 2015

A game-theory problem on a board involving L-shapes. It required determining the minimum number of marked squares needed to ensure a certain outcome. Key Commentary Insights