this is too easy!!tvb now,tvbnow,bttvb3 o( a! k5 j/ n* F; q1 z- M9 V( [
0 n' @2 [2 c# V公仔箱論壇1. put 6 at each side.. take the one side which is heavier
/ X7 z0 o# N6 \; b# [6 T0 o公仔箱論壇2. put 3 at each side.. also take the heavier side
: P, J9 N# ]- i8 d3 C; c P+ l3. 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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