this is too easy!! r2 A8 S- R! C3 c4 g. k" d. G
, I7 q0 _' r1 ]6 I0 c# j公仔箱論壇1. put 6 at each side.. take the one side which is heavier% U0 a3 a, M4 s+ c5 b% E7 \
2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb" g4 ^$ Y* e" ^3 ]
3. 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.. |