Question

Stiind ca A={1,2,3,4,7,9,10} si B={2,6,7,8,10,11}, aflati:
1. A intersectat cu B
2. B- A
3. A reunit cu B
4. A- B

Answer 1

1:2,7,10
2:6,8,11
3:1,2,3,4,6,7,8,9,10,11
4:1,3,4,9