this is too easy!!公仔箱論壇3 I( ^$ \5 x D% L6 o. m( j
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1. put 6 at each side.. take the one side which is heavierwww.tvboxnow.com0 D1 S* V/ Q, v8 @ ]- e
2. put 3 at each side.. also take the heavier side
8 ^% w1 N; ~) _' g$ v. q. s* {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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