private void button2_Click(object sender, EventArgs e)
{
int a = Convert.ToInt32(textBox4.Text);
int b = Convert.ToInt32(textBox5.Text);
double S = Find_something.S(3, b) + Find_something.S(a, b);
textBox6.Text = S.ToString();
}
private void button1_Click(object sender, EventArgs e)
{
int a = Convert.ToInt32(textBox1.Text);
int b = Convert.ToInt32(textBox2.Text);
double u = Find_something.f(a, b) + Find_something.f(2, a) + 2;
textBox3.Text = u.ToString();
}
private void button3_Click(object sender, EventArgs e)
{
double S = Find_something.get_res(7) + Find_something.get_res(9);
textBox7.Text = S.ToString();
}
