1 si 2 va rog,dau coronita

Răspuns:
1. D2 ={1,2}
D3 ={1,3}
D14={1,2,7,14}
D30={1,2,3,5,6,10,15,30}
D47={1,47}
2. a) A
b) F
c) F
d) A