this is too easy!!
+ X# t) e3 N# N* C* V
* n( X. u, j$ g V; A5.39.217.77:88981. put 6 at each side.. take the one side which is heavier1 l; S8 ^+ m8 B" q( g, l
2. put 3 at each side.. also take the heavier sidetvb now,tvbnow,bttvb- F" P; r# S5 A
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
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