private void Resta_Click(object sender, EventArgs e)
{
Resta ope2 = new Resta();
ope2.V1 = double.Parse(textBox1.Text);
ope2.V2 = double.Parse(textBox2.Text);
label3.Text = ope2.calcular().ToString();
}
private void checkBox2_CheckedChanged(object sender, EventArgs e)
{
checkBox1.Checked = false;
checkBox3.Checked = false;
checkBox4.Checked = false;
Resta obj2 = new Resta();
obj2.N1 = double.Parse(textBox3.Text);
obj2.N2 = double.Parse(textBox4.Text);
label4.Text = obj2.Calculos().ToString();
}
