this is too easy!!7 j+ a; V" [4 Y6 \
& d$ L7 d* L Vtvb now,tvbnow,bttvb1. put 6 at each side.. take the one side which is heavier
; A( t5 j, m$ N0 v- y Btvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side
; m! R5 h6 T4 I; |: ^" x, }7 o3. 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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