Ajutați-mă,va rog!!!
![Ajutațimăva Rog class=](https://ro-static.z-dn.net/files/da4/00faf4089b33a48b95c556b4aac098c4.jpg)
Răspuns:
C={-2,-1,1,}
D={0,1,2}
C U D ={-2,-1,0,1,2}
C n D ={1}
C-D={-2,-1}