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。8 U! W: r( [% z Z
% C9 S7 C4 ]' u: x! g, |公仔箱論壇1. put 6 at each side.. take the one side which is heavier
; p4 W% p9 P' F* W9 i1 n2. put 3 at each side.. also take the heavier side
% V" r4 J1 c$ h7 ~) J- b* O公仔箱論壇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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