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MathNet 2022-part-03 — 197 problems (EN–VI) Question 28

Math Olympiad Vault · MathNet 2022-part-03 — 197 problems (EN–VI)

Question 28

Is it possible to assign numbers $1, 2, \ldots, 8$ to the vertices of a cube in a way that the assigned number of each vertex divides the sum of numbers assigned to its neighbours? (Note that every number should be used once).