this is too easy!!5.39.217.76* P+ Y) q! j4 K7 z% k
tvb now,tvbnow,bttvb/ l8 y. O; d% C' w W. b5 C
1. put 6 at each side.. take the one side which is heaviertvb now,tvbnow,bttvb3 G3 j& Z. H$ o* t( ?1 p
2. put 3 at each side.. also take the heavier side
B( I& t7 z& m) u/ w1 N8 X4 g3. 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
| 
