1st trial - put 6 balls at each side .. take out the lighter 6 balls- E' `* T. ~. Q4 {% l% t
2nd trial - put the heavier 6 balls by 3 balls at each side
2 v6 a0 A. A) j5 |% wtvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..
1 L6 V+ s9 T7 w' w/ ?3 X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... |