1st trial - put 6 balls at each side .. take out the lighter 6 balls5.39.217.769 _( W/ [( K$ k2 o" Y! O, g
2nd trial - put the heavier 6 balls by 3 balls at each sideTVBNOW 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。" w5 D) i) B4 F/ H( @9 {2 s& p5 }& j. k ]
lastly, take out the lighter 3 balls.... now left 3 balls..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。, z+ v" V2 t0 C3 Q8 |% X& f( l2 n! ]
3rd trial - put 1 ball on each side, left 1 ball on table. if both sides balance, the ball on table is the heaviest. if one side on the scale is heavier then it is the heaviest... |