Question

C#编程问题。

利用计算机随机出一道100以内的加,减法,并根据用户的答案给出"Right"或"Wrong"的提示信息。

Answer 1

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication3
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private string answer;

private void Form1_Load(object sender, EventArgs e)
{
label1.Text = pp();
}

private void button1_Click(object sender, EventArgs e)
{
if(textBox1.Text != answer)
{
MessageBox.Show("错了");
}
else
{
label1.Text = pp();
}
}

private string pp()
{
Random random = new Random();
int a = random.Next(1, 100);
int b = random.Next(1, 100 - a);
answer = (a + b).ToString();
return a + "+" + b + "=";
}
}
}