Odpowiedź :
Jest 20 takich liczb.
10, 11, 12, 13, 14, 20, 21, 22, 23, 24, 30, 31, 32, 33, 34, 40, 41, 42, 43, 44
10, 11, 12, 13, 14, 20, 21, 22, 23, 24, 30, 31, 32, 33, 34, 40, 41, 42, 43, 44
Jest 20 takich liczb, te liczby to:
10,11,12,13,14,20,21,22,23,24,30,31,32,33,34,40,41,42,43,44.
10,11,12,13,14,20,21,22,23,24,30,31,32,33,34,40,41,42,43,44.