3단 구구단

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Study01
{
    class Program
    {
        static void Main(string[] args)
        {
            int dan = 3;
            for (int i = 0; i < 9; i++)
            {
                
                int num = i + 1;
                int result = num * dan;
                Console.WriteLine("{0}X{1} = {2}",dan, num, result);
            }

        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Study01
{
    class Program
    {
        static void Main(string[] args)
        {
            for (int i = 0; i < 9; i++)
            {
                int num = i + 1;
                int num1 = num * 3;
                Console.WriteLine("3 X {0} = {1}",num, num1);
            }

        }
    }
}