e63000775 e63000775 24-04-2024 Matemáticas contestada A = {x / x ∈ z, 0 < x ≤ 3}B = {x − 1 / x ∈ z, 1 < x ≤ 4}halle n(A ∆ B).A) 1 B) 2 C) 3 D) 0