this is too easy!!
* N2 [8 G2 `+ b5 E; ]5.39.217.77:8898$ w8 s2 z# K9 W
1. put 6 at each side.. take the one side which is heavier
4 P0 ]+ r' W; ^- X! D/ v5.39.217.77:88982. put 3 at each side.. also take the heavier side
' r+ A& r! c0 u8 V2 o5.39.217.77:88983. 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
| 
