this is too easy!!
) l7 M4 x- m; i) C! ?% P5.39.217.77TVBNOW 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。4 Y7 q2 v9 B/ a: L
1. put 6 at each side.. take the one side which is heavier- d1 I" \# w0 M
2. put 3 at each side.. also take the heavier side
5 a3 d: i- S- E) q# N, o3. 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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