Question

Scrieti toate numerele de doua cifre care indeplinesc,in acelasi timp conditiile:a)au suma cifrelor 10.b)se impart  exact la 7.

Answer 1

28 si 91
2+8=10, 28:7=4
9+1=10, 91:7=13

Answer 2

28;
2+8=10;   28/7=4 
91
9+1=10;91/7=13
nr sunt 28,91