اگر $A = \{k \in \mathbb{Z} \mid -2 < k < 2\}$ و $B = \{x \in \mathbb{N} \mid -1 \le x < 1\}$ و $C = \{x \in \mathbb{Z} \mid -1 \le x < 1\}$ جواب را بیابید. $A = \quad B = \quad C = \quad A \cap C =$ $A \cap B = \quad n(A \cap B) = \quad B \cup C =$ $C - A =$