using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication10
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
int tx1,tx2,rs=0;
tx1=int.Parse(textBox1.Text);
tx2=int.Parse(textBox2.Text);
if (radioButton1.Checked)
rs = tx1 + tx2;
else if (radioButton2.Checked)
rs = tx1 - tx2;
else if (radioButton3.Checked)
rs = tx1 * tx2;
else if (radioButton4.Checked)
rs = tx1 / tx2;
textBox3.Text = rs.ToString();
}
}
}
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