this is too easy!!
& d/ |: J7 A* TTVBNOW 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。
0 }0 Y" L! Z0 }; s1. put 6 at each side.. take the one side which is heavier
( @! X c$ z+ O2. put 3 at each side.. also take the heavier side
1 x% l( M/ K! F3. 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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