using System;
public class Test
{
public static void Main()
{
double num1 = 50d, num2 = 13d;
double s,r,m,d;
char operacion = 'r';
switch(operacion)
{
case 's':
s = num1 + num2;
Console.WriteLine("El resultado de la Suma es: {0}",s);
break;
case 'r':
r = num1 - num2;
Console.WriteLine("El resultado de la Resta es: {0}",r);
break;
case 'm':
m = num1 * num2;
Console.WriteLine("El resultado de la Multiplicación es: {0}",m);
break;
case 'd':
d = num1 / num2;
Console.WriteLine("El resultado de la División es: {0}",d);
break;
}
}
}
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