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