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Layne
(PUC-MG) A diferença A - B, sendo A = {x ∈ ℝ | -4 ≤ x ≤ 3} e B = {x ∈ ℝ | -2 ≤ x < 5} é igual a:
a) {x ∈ ℝ | -4 ≤ x < -2}
b) {x ∈ ℝ | -4 ≤ x ≤ -2}
c) {x ∈ ℝ | 3 ≤ x < 5}
d) {x ∈ ℝ | 3 ≤ x ≤ 5}
e) {x ∈ ℝ | -2 ≤ x < 5}
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