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Vincen
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If \(a\) and \(b\) are integers, is \(a + b + 3\) an odd integer?
(1) \(ab\) is an odd integer.
(2) \(a − b\) is an even integer.
[spoiler]OA=D[/spoiler]
Source: Official Guide
(1) \(ab\) is an odd integer.
(2) \(a − b\) is an even integer.
[spoiler]OA=D[/spoiler]
Source: Official Guide
