Question

cum rezolv aceste execitii
a=[2,3,5,7,9] si b=[4,5,6,7]

Answer 1

A reunit B={2,3,4,5,6,7,9};
A intersectat cu B={5,7};
A/B={2,3,9};
B/A={4,6};
AxB={(2,4),(2,5),(2,6),(2,7),(3,4),(3,5),(3,6),(3,7) etc. };