Question

Calculati:
a){3,1,2} reunit cu {2,0,3}
b){3,0,1,2} intersectat N*
c){2,0,1,3} -N*
Repede!Va rog frumos!

Answer 1

a) {3,1,2} U {2,0,3}={0,1,2,3}
b) {3,0,1,2} intersectat cu  N*={1,2,3}
c) {2,0,1,3} -N*={0}