1st trial - put 6 balls at each side .. take out the lighter 6 balls
* c- d9 u+ t( owww3.tvboxnow.com2nd trial - put the heavier 6 balls by 3 balls at each side
/ Y/ \) |6 y* K# A! H: blastly, take out the lighter 3 balls.... now left 3 balls..公仔箱論壇$ h5 i9 e- I6 I# ?+ V! u
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... |