this is too easy!!
" d) K0 B% l& Q: jTVBNOW 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。
; J- q4 b+ h! O6 C1. put 6 at each side.. take the one side which is heavier
( N( K1 d G4 W" y公仔箱論壇2. put 3 at each side.. also take the heavier side
) j7 ~) e; I/ z4 }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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