this is too easy!!
0 H) b. D" Y/ a, v& G/ h: T- 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。8 C4 u( L X% H" t q* b
1. put 6 at each side.. take the one side which is heavier
1 H% w" N1 T6 o. a1 j7 w) _2. put 3 at each side.. also take the heavier side
7 [4 r7 [) D2 i |' c4 Y3. 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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