public PS Tongvoi1so(PS t2)
{
PS t = new PS();
t.ts = this.ts * 1 + this.ms * t2.ts;
t.ms = this.ms * 1;
return(t.Rutgon());
}
public PS Hieu(PS t2)
{
PS t = new PS();
t.ts = this.ts * t2.ms - this.ms * t2.ts;
t.ms = this.ms * t2.ms;
return(t.Rutgon());
}
public static PS operator -(PS t1, PS t2)
{
PS t = new PS();
t.ts = t1.ts * t2.ms - t1.ms * t2.ts;
t.ms = t1.ms * t2.ms;
return(t.Rutgon());
}
public PS Tong(PS t2)
{
PS t = new PS();
t.ts = this.ts * t2.ms + this.ms * t2.ts;
t.ms = this.ms * t2.ms;
return(t.Rutgon());
}