Question

3. Determinați mulțimile: A = (x|x EZ, -2​

Answer 1

$-2\leq x < 3 \iff x \in [-2,3) \cap \mathbb{Z}=\{-2,-1,0,1,2\}=A$

$B=\{2,1,0,-1,-2\}=\{-2,-1,0,1,2\}=A$

$C=\{0,1,2\}$