static void Main(string[] args)
{
ps t1 = new ps(7, 6);
ps t2 = new ps(5, 4);
Console.WriteLine("tong hai phan so :");
ps t = t1 + t2;
ps t3 = new ps(7, 6);
ps t4 = new ps(5, 4);
Console.WriteLine("Hieu hai phan so :");
ps tt = t3 - t4;
t.Hien();
tt.Hien();
if (t1 > t2)
{
Console.WriteLine("t1>t2");
}
else
{
Console.WriteLine("t1<t2");
}
Console.ReadKey();
}
public static ps operator -(ps t3, ps t4)
{
ps tt = new ps();
tt.ts = t3.ts * t4.ms - t4.ts * t3.ms;
tt.ms = t3.ms * t4.ms;
return(tt);
}
public static ps operator +(ps t1, ps t2)
{
ps t = new ps();
t.ts = t1.ts * t2.ms + t2.ts * t1.ms;
t.ms = t1.ms * t2.ms;
return(t);
}
public ps Hieu(ps t4)
{
ps tt = new ps();
tt.ts = this.ts * t4.ms - t4.ts * this.ms;
tt.ms = this.ms * t4.ms;
return(tt);
}
public ps tong(ps t2)
{
ps t = new ps();
t.ts = this.ts * t2.ms + t2.ts * this.ms;
t.ms = this.ms * t2.ms;
return(t);
}
