this is too easy!!
5 W$ b- b7 a: F
9 N c- F$ J1 T/ W8 B2 V9 h6 S# U5 d1. put 6 at each side.. take the one side which is heavier
; ~6 A L4 H9 ?. X% U5 d0 O2 R2 q3 o5 v2. put 3 at each side.. also take the heavier side
# [+ q$ M; K g8 b# x; b0 O( ctvb now,tvbnow,bttvb3. 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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