Calculadora.cs
public class Calculadora {
public double Somar (double n1, double n2) {
return n1 + n2;
}
public int Somar (int n1, int n2) {
return n1 + n2;
}
public int Somar (int n1, int n2, int n3) {
return n1 + n2 + n3;
}
}
Program.cs
Calculadora calc = new Calculadora();
Console.WriteLine(calc.Somar(40, 10));
Console.WriteLine(calc.Somar(10, 30, 10));
Console.WriteLine(calc.Somar(1.5, 56.8));