this is too easy!!
7 w" F8 I4 y4 S6 |" Ctvb now,tvbnow,bttvb
5 S) C4 `" b# x1. put 6 at each side.. take the one side which is heavier) K% L4 X9 O$ e% @( j
2. put 3 at each side.. also take the heavier side
$ @6 y7 v/ O" K, k% c9 b6 {9 k0 X3. 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
| 
