1st trial - put 6 balls at each side .. take out the lighter 6 balls
' ^/ E, e# M. \: K; t公仔箱論壇2nd trial - put the heavier 6 balls by 3 balls at each sidewww3.tvboxnow.com! l7 _/ Y' y+ y: {0 m9 L
lastly, take out the lighter 3 balls.... now left 3 balls..
- _( r d% a# V# h+ I: @8 a公仔箱論壇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... |