static void Main(string[] args)
        {

            Console.Write("Hello please enter the max number: ");
            int max = int.Parse(Console.ReadLine());

            Console.Write("\nHello please enter the min number: ");
            int min = int.Parse(Console.ReadLine());

            Random rnd = new Random();

            int[,] math = new int[max, min];
            for (int i = 0; i < math.GetLength(0); i++)
            {
                for (int j = 0; j < math.GetLength(1); j++)
                {
                    math[i,j] = rnd.Next(20,101);
                }
            }


            for (int i = 0; i < math.GetLength(0); i++)
            {
                for (int j = 0; j < math.GetLength(1); j++)
                {
                    Console.Write("[{0},{1}]={2}\t", i, j, math[i, j]);
                }
            }

            methMax(math);
            methMin(math);
            methRaw();
            methColum();


        }


        private static void methColum()
        {
            throw new NotImplementedException();
        }

        private static void methRaw()
        {
            throw new NotImplementedException();
        }

        private static int methMin(int[,] math)
        {
            int minnum = 99999999;
            for (int i = 0; i < math.GetLength(0); i++)
            {
                for (int j = 0; j < math.GetLength(1); j++)
                {
                    if (math[i, j] < minnum)
                    {
                       minnum = math[i, j];
                    }
                }
            }


            return minnum;
        }

         static int methMax(  int[,] math)
        {
            int maxnum = 0;
            for (int i = 0; i < math.GetLength(0); i++)
            {
                for (int j = 0; j < math.GetLength(1); j++)
                {
                    if (math[i,j] > maxnum)
                    {
                        maxnum = math[i, j];
                    }
                }
            }


            return maxnum;
        }
    }
}