static void Main(string[] args)
{
Sumando totalsuma = new Sumando(5, 8);
totalsuma.getSuma();
Resta totalresta = new Resta(5, 8);
totalresta.getResta();
Multi totalmulti = new Multi(5, 8);
totalmultu.getMulti();
Divi totaldivi = new Divi(5, 8);
totaldivi.getDivi();
Console.WriteLine("suma" + totalsuma.getSuma());
Console.WriteLine("Resta" + totalresta.getResta());
Console.WriteLine("Multiplicacion" + totalmulti.getMulti());
Console.WriteLine("Divicion" + totaldivi.getDivi());
}