Question

Даны множества: A={2,3,8}, B={2,3,8,11}, C={5,11}
Найдите: 1) AUB, AUC, BUC, AnB, AnC, CnB

Answer 1

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} 

Answer 2

Спс

Answer 3

на здоровье)

Answer 4

http://znanija.com/task/5133879