Question

Am nevoie de ajutor la acest exercitiu!​

Answer 1

Răspuns:

A = {4;3;2;1}

B = {3;4;5.......infinit}

A U B ={1;2;3;4;5.......infinit}

A intersectat cu B = {3}

A\B = {5;6;7.......infinit}

B\A = {1;2}