2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/219540Each packing of R^d by translates of the unit cube [0,1)^d admits a decomposition into at most two parts such that if a translate of the unit cube is covered by one of them, then it also belongs to such a part.7 pages, 3 figures, corrections made, expanded contentCombinatoricsMetric Geometry52C22; 05B45text