namespace 打印乘法口诀
{
    class Program
    {
        static void Main(string[] args)
        {
            for (int i = 1; i <=9; i++)//行数循环九次，
            {
                for (int j = 1; j<=i; j++)//当i等于1的时候，j等于1，
                {
                    Console.Write(i+"*"+j+"="+(i*j)+"\t");//按照乘法格式输出
                }
                Console .WriteLine ();
            }
            Console.ReadLine();