Пример #1
0
        static void Main(string[] args)
        {
            mathvoid op = new mathvoid();
            string   Z  = "";

            do
            {
                int z = new Random().Next(4) + 1;
                switch (z)
                {
                case 1:
                    op.mathjia();
                    continue;

                case 2:
                    op.mathjian();
                    continue;

                case 3:
                    op.mathcheng();
                    continue;

                case 4:
                    op.mathchu();
                    continue;

                default:
                    Console.WriteLine("输入无效!");
                    continue;
                }
                break;
            }while (true);
        }
Пример #2
0
        static void Main(string[] args)
        {
            mathvoid op = new mathvoid();
            string   Z  = "";

            do
            {
                Console.WriteLine("-------------------------------四则运算-------------------------");
                Console.WriteLine("");
                Console.WriteLine("请选择您使用的运算方法:1.加法 2.减法 3.乘法 4.除法 5.退出!");
                Z = Console.ReadLine();
                switch (Z)
                {
                case "1":
                    op.mathjia();
                    continue;

                case "2":
                    op.mathjian();
                    continue;

                case "3":
                    op.mathcheng();
                    continue;

                case "4":
                    op.mathchu();
                    continue;

                case "5":
                    op.result();
                    break;

                default:
                    Console.WriteLine("输入无效!");
                    continue;
                }
                break;
            }while (true);
        }
Пример #3
0
        static void Main(string[] args)
        {
            mathvoid op = new mathvoid();
            int      a  = 0;
            int      n  = 0;
            int      i  = 0;
            string   Z  = "";
            Random   r  = new Random();

            a = r.Next(0, 4);

            Console.WriteLine("");
            Console.WriteLine("请输入出题数目:");
            n = int.Parse(Console.ReadLine());
            for (i = 0; i < n; i++)
            {
                Z = a.ToString();
                switch (Z)
                {
                case "1":
                    op.mathjia();
                    continue;

                case "2":
                    op.mathjian();
                    continue;

                case "3":
                    op.mathcheng();
                    continue;

                case "4":
                    op.mathchu();
                    continue;
                }
            }
            Console.WriteLine("总共答对" + op.getright() + "道题!答错" + op.getwrongt() + "道题!");
        }