They weren't in A and B at all; they were completely new texts by Archimedes, and they were called "The Method" and "The Stomachion."
لم يوجدا سابقا في كتابي A و B، لقد كانت تلك نصوصا جديدة تماما لأرخميدس، وقد تمّت تسميته "الأسلوب" و"The Stomachion".