public static void Main()
Console.WriteLine("Ingresa valor A");
A= Convert.ToDouble(Console.ReadLine());
Console.WriteLine(A + " X 1=" + (A*1));
Console.WriteLine(A + " X 2=" + (A*2));
Console.WriteLine(A + " X 3=" + (A*3));
Console.WriteLine(A + " X 4=" + (A*4));
Console.WriteLine(A + " X 5=" + (A*5));
Console.WriteLine(A + " X 6=" + (A*6));
Console.WriteLine(A + " X 7=" + (A*7));
Console.WriteLine(A + " X 8=" + (A*8));
Console.WriteLine(A + " X 9=" + (A*9));
Console.WriteLine(A + " X 10=" + (A*10));