Dane są zbiory A = { 3, 5, 7, 9 }, B = { 3, 9, 6}, C = { 4, 6, 7, 9}.
Rozwiąż
1. A U C = ;
2. A n C = ;
3. C \ B = ;
4. (A n B) = ;
5. B \ (A U C) = ;
6. (A \ B) n C = .​