Răspuns:
Explicație pas cu pas:
factor x faxtor = produs
2,5 x 6,3 =25/10 x 63/10 = 25x63/10x10 = 1575/100 = 15,75
6,3 x 7,5 = 63/100 x 75/100 = 63x75/10x10 = 4725/100 = 47,25
cautam numar natural cuprins in intervalul 15,75 si 47,25 deci putem avea urmatoarele numere naturale 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46