Considerando A = { x ∈ ℤ+I - 5 < x 10 < 10} e B = { ...
Considerando A = { x ∈ ℤ+I - 5 < x 10 < 10} e B = { x ∈ ℤ_ I - 5 < x < 10}, julgue o item.
A ∪ B = { x ∈ ℤ| −4 ≤ x ≤ 9}.
Considerando A = { x ∈ ℤ+I - 5 < x 10 < 10} e B = { x ∈ ℤ_ I - 5 < x < 10}, julgue o item.
A ∪ B = { x ∈ ℤ| −4 ≤ x ≤ 9}.