Question

A={a,b,c,d,e,f,i}
B={b,e,d,c,m}
C={a,e,i}
1. AUB
2. AUC
3. A∩C
4. B∩C
5. A\C
6. C\B
7. A\B
8.A\(BUC)
*Dau coroana! *Pana luni.

Answer 1

1)   A∪B = {a;b;c;d;e;f;i;m}
2)   A∪C ={a;b;c;d;e;f;i
3)   A∩C ={a;e;i}
4)   B∩C = {e}
5)   A \ C ={b;c;d;f}
6)   C \ B ={a;i}
7)   A \ B ={a;f;i}
8)   A\(B∪C)={f}