18. Câte nr de 5 cifre au suma cifrelor mai mică sau egală cu 10?
100,101,102,103,104,105,106,107,108,109
200,201,202,203,204,205,206,207,208
300,301,302,303,304,305,306,307
400,401,402,403,404,405,406
500,501,502,503,504,505
600,601,602,603,604
700,701,702,703
800,801,802
900,901
RĂSPUNS:54 de numere
