C#加减乘除

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace Ch03Ex02

{

    class Program

    {

        static void Main(string[] args)

        {

            double firstNumber, secondNumber;

            string userName;

            Console.WriteLine("请输入姓名:");

            userName = Console.ReadLine();

            Console.WriteLine("请输入第一个数字:");

            firstNumber = Convert.ToDouble(Console.ReadLine());

            Console.WriteLine("请输入第二个数字:");

            secondNumber = Convert.ToDouble(Console.ReadLine());

            Console.WriteLine("数字{0}加{1}结果是:{2}",firstNumber,secondNumber,firstNumber+secondNumber);

            Console.WriteLine("数字{0}减{1}结果是:{2}", firstNumber, secondNumber, firstNumber - secondNumber);

            Console.WriteLine("数字{0}乘{1}结果是:{2}", firstNumber, secondNumber, firstNumber * secondNumber);

            Console.WriteLine("数字{0}除{1}结果是:{2}", firstNumber, secondNumber, firstNumber / secondNumber);

            Console.WriteLine("数字{0}余{1}结果是:{2}", firstNumber, secondNumber, firstNumber % secondNumber);

            Console.ReadKey();

        }

    }

}
巴特西

C#加减乘除

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