Problem #PRU-110207

Problemas Métodos Principio del casillero Principio del casillero (otro) Geometría Geometría plana Desigualdades geométricas Desigualdad del triángulo Problemas de álgebra de la desigualdad del triángulo

Problem

Natural numbers from 1 to 200 are divided into 50 sets. Prove that in one of the sets there are three numbers that are the lengths of the sides of a triangle.