this is too easy!!公仔箱論壇$ {# x( W9 o) o% U
tvb now,tvbnow,bttvb! {; V. O; h5 x) {& {' z
1. put 6 at each side.. take the one side which is heavier/ q0 R u+ R ^, ~4 x. r) q8 Z
2. put 3 at each side.. also take the heavier side) G2 ?+ X; Y8 d( Z8 F
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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