this is too easy!!公仔箱論壇" d* ?' Y. X6 @1 M9 g. L/ z
' p2 d5 I! e* s6 F公仔箱論壇1. put 6 at each side.. take the one side which is heavier
% F' T8 u4 a9 w+ t& Ktvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side
- E3 }% K5 |9 s9 R+ Ntvb now,tvbnow,bttvb3. put 1 at each side.. if the weight balance then the one not put inside is the heavy ball.. else the side which is heavier is the heavier ball.. |