Ответ:
1) AuB {2,3,8,11}
AuC {2,3,5,8,11}
BuC {2,3,5,8,11}
2) AnB{2,3,8}
AnC{…}
CnB{11}
Ответ:
AuB={2,3,8,11}
AuC={2,3,5,8,11}
BuC={2,3,5,8,11}
AnB={2,3,8}
AnC={}
CnB={11}
Ответ:
1) AuB {2,3,8,11}
AuC {2,3,5,8,11}
BuC {2,3,5,8,11}
2) AnB{2,3,8}
AnC{…}
CnB{11}
Ответ:
AuB={2,3,8,11}
AuC={2,3,5,8,11}
BuC={2,3,5,8,11}
AnB={2,3,8}
AnC={}
CnB={11}