Question

Scrie multimea A={1/9; 12;55/2; 17; 30/15} si B={2,5; 12,3; 0; 2; 4; 6; 7}.determinati multimile:A intersectat cuB; A reunit cu B; B\A

Answer 1

A∩B={17}
In multimea A, 30/15 se reduce la 2.
A∪B={1/9;55/2;12;30/15;2,5;12,3;0;4;6}