👤

scrieti toate numerele de doua cifre pentru care suma cifrelor este mai mica ca 10

Răspuns :

10,11,12,13,,14,15,16,17,18,20,21,22,23,24,25,26,27,30,31,32,33,34,35,36,40,41,42,43,44,45,50,51,52,53,54,60,61,62,63,70,71,72,81,90
10,11,12,13,14,15,16,17,18,20,21,22,23,24,25,26,27,30,31,32,33,34,35,40,41,42,43,44,45,50,51,52,53,54,60,61,62,63,70,71,72,80,81,90