Question

Calculați ex
1)
2)
3)
4)
5)
6)
7)
8)​

Answer 1

Răspuns:

A={0,1,2,3,4,5,6,7,8,9}

B={0,1,2,3,4,5,6,7,8}

C={1,2,3,4,5,6,7}

1) AnB={0,1,2,3,4,5,6,7,8}

2)AuB={0,1,2,3,4,5,6,7,8,9}

3)BuC={0,1,2,3,4,5,6,7,8}

4)AuC={0,1,2,3,4,5,6,7,8,9}

5)A-C={0,8}

6)C-B=Mulțimea vida

7)AuBuC={0,1,2,3,4,5,6,7,8,9}

8)AnBnC={1,2,3,4,5,6,7,8,9}