this is too easy!!公仔箱論壇1 Q$ k/ |/ [+ Z) e2 {
. ~- R. G+ Q) T7 y+ C) R4 i3 a1. put 6 at each side.. take the one side which is heavier
@' {2 [, F5 B3 d }3 S2. put 3 at each side.. also take the heavier side
: n, _& G; y2 ~ t% \+ F" q5.39.217.773. 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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