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。& h8 ~+ r& n( \
# Y U W" E; C g5.39.217.771. put 6 at each side.. take the one side which is heavier
9 F" } u# g* q/ v5.39.217.772. put 3 at each side.. also take the heavier side
% M. |4 ^) h7 E, D3 P3. 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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