Guest elmaknine Posted November 19, 2009 Partager Posted November 19, 2009 SALAM Un nénuphar se trouve dans un lac. Tous les jours il double de taille. Au bout du 15 jours, il fait la moitié du lac, au bout de combien de temps recouvra-t-il le lac entiérement ? :cool: Citer Link to post Share on other sites
Glasyeur 10 Posted November 19, 2009 Partager Posted November 19, 2009 16? Citer Link to post Share on other sites
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