執行下列 Visual Basic 主程式後,其輸出結果為何? Function test(ByVal x As Integer) As Integer If x >= 3 Then If x Mod 2 = 0 Then test = test(x - 2) * test(x - 3) Else test = test(x + 1) * test(x - 1) End If Else test = x End If End Function Sub Main( ) Dim ans As Integer ans = test(5) MsgBox(ans) End Sub

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