A) -7 < X < -1 C) -1 ≤ X ≤ 6 B) -3 < X < 3 D) -5 ≤ X <...

Bài 2: Tỡm x  Z:

a) -7 < x < -1

c) -1 ≤ x ≤ 6

b) -3 < x < 3

d) -5 ≤ x < 6