1st trial - put 6 balls at each side .. take out the lighter 6 balls
4 b# |1 |; P4 j* K: k- Y' a2nd trial - put the heavier 6 balls by 3 balls at each side
# T. P. y6 V' [tvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..
4 R h- t4 @# b) Q& Z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... |