public void Add(Opertion op)
{
int a, b, t;
Random rd = new Random();
b = rd.Next(1, 101);
a = s;
t = a + b;
Console.WriteLine("+" + b + "=" + t);
}
public void Div(Opertion op)
{
float a, b, t;
Random rd = new Random();
b = rd.Next(1, 101);
a = s;
while (a % b != 0)
{
b = rd.Next(1, 101);
}
t = (int)(a / b);
Console.WriteLine("/" + b + "=" + t);
}
public void Sub(Opertion op)
{
int a, b, t;
Random rd = new Random();
b = rd.Next(1, 101);
a = s;
while (a != 0 && b > a)
{
b = rd.Next(1, 51);
}
if (a == 0)
{
t = a + b;
Console.WriteLine("+" + b + "=" + t);
}
else
{
t = a - b;
Console.WriteLine("-" + b + "=" + t);
}
}