this is too easy!!- w1 f8 a! Q) M5 Z# i& D
tvb now,tvbnow,bttvb2 p3 Q J& Z6 J1 V+ Z+ `6 U
1. put 6 at each side.. take the one side which is heavier
* h( y h4 ^% W# P9 q公仔箱論壇2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb/ z v0 h9 |. \# K7 M8 c
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.. |