Question

E={X E Z }|-3 mai mic sau egal cu x mai mic decat 4

Answer 1

$E=\left \{x\:\in\:\mathbb{Z}\:|\: - 3 \leqslant x < 4\right \}$

$- 3 \leqslant x < 4 = > x \: \in \: [-3,4)$

$x\:\in\:\mathbb{Z}=>x\:\in\:\left \{ -3,-2,-1,0,1,2,3 \right \}$

$E=\left \{-3,-2,-1,0,1,2,3 \right \}$