Răspuns :
- 3 ∈ (- 2, 0) (F)
_____.__(.__.__.)____
-3 -2 -1 0
√7 ∈ (-1, 1) (F)
√7 ≈ 2,65 > 1
(- 4, - 2) ⊂ (-5, - 1) (A)
_(.__(.__.__.)__.)__.________
-5 -4 -3 -2 -1
- 3 ∈ (- 2, 0) (F)
_____.__(.__.__.)____
-3 -2 -1 0
√7 ∈ (-1, 1) (F)
√7 ≈ 2,65 > 1
(- 4, - 2) ⊂ (-5, - 1) (A)
_(.__(.__.__.)__.)__.________
-5 -4 -3 -2 -1