this is too easy!!
6 a7 r8 V! ]; ~( e* N4 v7 u5 Htvb now,tvbnow,bttvb5.39.217.773 M9 j# c# F9 p5 G$ E7 M k
1. put 6 at each side.. take the one side which is heavier% k2 J/ g5 f# S Q5 C) D2 W! ]1 F
2. put 3 at each side.. also take the heavier side5.39.217.770 ^) C0 ~" x4 D8 {- f5 l t
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
| 
