Question

Câte numere naturale de doua cifre sunt multipli ai numerelor 2,3,5,7,11,17,19?

Answer 1

Multiplii de a lui 2:10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98

3:12,15,21,24,27,30,33,36,39,42,45,48,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99

5:10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95

7:14,21,28,35,42,49,56,.....