Question

Fie multimea A = { 1,3 ,5 , 7 } si B = { 6, 7,8, 9 } . Determinati multimile : A reunit cu B ; A intersectat cu B ; B \ A ;

Answer 1

A reunit B={1,3,5,6,7,8,9}
A intersectat B ={7}
B/A={6,8,9}