this is too easy!!
4 Z* q# e! x0 `5 n! f3 ]8 t公仔箱論壇公仔箱論壇2 c3 I- @# O4 K, T' U
1. put 6 at each side.. take the one side which is heavier
+ x0 Y% X4 \" L% G- H; s2. put 3 at each side.. also take the heavier sidewww3.tvboxnow.com. e$ r# A: e Y9 q/ Z; j
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.. |
發表於 2009-1-7 05:31 AM
| 
