Question

Determinati numerele naturale sub forma ab stiind ca a+b=3 (Stiu ca e usor dar nu am fost atenta la ora)

Answer 1

12, 21, 30

12 : 1+2=3
21 : 2+1=3
30 : 3+0=3

Answer 2

a=1, b=2, ab=12, a=2, b=1, ab=21, a=3, b=0, ab=30