this is too easy!!* @4 D0 X3 K9 W6 ^8 C, I
tvb now,tvbnow,bttvb* n# K4 G) L! C; r9 A0 c
1. put 6 at each side.. take the one side which is heavier公仔箱論壇4 b( R }2 j1 t
2. put 3 at each side.. also take the heavier sidewww.tvboxnow.com/ k/ U( G; t& U7 Z4 K+ W& M
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.. |