CodeList_4_CSharp.cs

 class Program
    {
        static void Main(string[] args)
        {
            float a, b;
            Console.WriteLine("Nhap a = ");
            a = float.Parse(Console.ReadLine());
            Console.WriteLine("Nhap b = ");
            b = float.Parse(Console.ReadLine());
            Console.WriteLine("So lon nhat la:" + Max(a,b));
            Console.ReadKey();
        }
        public static float Max(float a, float b)
        {
            float max = 0;
            if (a > b)
                max = a;
            else
                max = b;
            return max;
        }
       
    }