this is too easy!!
+ X; z! L% j* w9 O/ X' Ctvb now,tvbnow,bttvb
: Z% L' U, D7 R x! L1. put 6 at each side.. take the one side which is heavier
- H% K6 E7 s6 j( F2 {) t% k2. put 3 at each side.. also take the heavier sideTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。+ \% q Z" g. H$ Z2 O3 K3 O
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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