this is too easy!!
7 d. i* W5 j$ S1 D5.39.217.77:8898TVBNOW 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。' s1 P; u) R/ }- e/ [$ G5 ]
1. put 6 at each side.. take the one side which is heavier
; {/ K5 E' b, A1 l0 s* ~6 h2. put 3 at each side.. also take the heavier side
% g0 C( V7 \+ w/ `3 ?4 ^9 N5.39.217.77:88983. 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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