this is too easy!! Q5 |7 A& Y( l% c1 k, c
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1. put 6 at each side.. take the one side which is heavier
* x) J; ^: P- ?, p! cTVBNOW 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。2. put 3 at each side.. also take the heavier side
8 }+ }6 ^. w; K) E+ f% z! y2 ~$ B" |/ J3. 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.. |