Question

1)Fie multimele : A={x|x ∈ N,x≤7} B={x|x∈N,2 Aflati A\B
Rezolvare:
Deoarece A={0,1,2,3,4,5,6,7} si B{3,4}, obtinem:
A\B={0,1,2,.....,.....,.....,}
Trebuie de pus in loc de puncte trei cifre

Answer 1

.............................