Question

adevarat sau fals:
{ -7,0,1 }⊂ ℕ ;

{-5 -1, 0}⊂ ℤ;

{-2, 1, 7}⊂ ℤ*

{11, -3, 0}⊂} ℤ*

{0, 5, 7}⊂ ℕ*

{1, 8, 100}⊂ ℤ

Answer 1

1. F
2. A
3. A
4. F
5. F
6. Nu stiu cred ca F