{1,2,3}cAc{ 1,2, 3, 4, 5, 6,}
Determinati multimile A


Răspuns :

Răspuns:

{1,2,3} c A => 1,2,3 € A

A poate fi {1,2,3,4},{1,2,3,5},{1,2,3,6},{1,2,3,4,5},{1,2,3,4,6},{1,2,3,5,6}