this is too easy!!TVBNOW 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。' O0 Z- F W5 J8 Z; w
5 R+ r, W6 j- m, R
1. put 6 at each side.. take the one side which is heavier
3 W2 W9 U8 `, ]# g# j3 X8 _tvb now,tvbnow,bttvb2. put 3 at each side.. also take the heavier side
: V: a" ^9 Q* k* e8 H3. 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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