public static void Main()
Console.WriteLine(5.777);
Console.WriteLine(5 + 8);
Console.WriteLine(5 % 2);
Console.WriteLine(Math.Abs(-40));
Console.WriteLine(Math.Pow(3.8,2));
Console.WriteLine(Math.Sqrt(4));
Console.WriteLine(Math.Max(5,6));
Console.WriteLine(Math.Min(5,6));
Console.WriteLine(Math.Round(4.6));