numbers 1-8 at vertices of a cube - Portugal OPM 2017 p4
Source:
May 15, 2024
combinatoricsalgebra
Problem Statement
Numbers from to are placed on the vertices of a cube, one on each of the eight vertices, so that the sum of the numbers on any three vertices of the same face is greater than . Determines the minimum value that the sum of the numbers on one side can have.