MathDB
sum of products of 4 numbers at vertices of a cube, with 1 or -1 assigned

Source: Polish second round 1994 p4

January 19, 2020
cubecombinatoricscombinatorial geometry

Problem Statement

Each vertex of a cube is assigned 11 or āˆ’1-1. Each face is assigned the product of the four numbers at its vertices. Determine all possible values that can be obtained as the sum of all the 1414 assigned numbers.
Back to ProblemsView on AoPS