this is too easy!!公仔箱論壇1 e$ g& U! Y3 z. K9 D5 D, I8 ~4 ^
1 g+ B L9 w9 t- S2 p1. put 6 at each side.. take the one side which is heavier
8 P6 Z1 p t+ A, YTVBNOW 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。2. put 3 at each side.. also take the heavier side
3 R4 O1 U9 M3 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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