1st trial - put 6 balls at each side .. take out the lighter 6 balls公仔箱論壇& g @9 T9 ^$ |1 |
2nd trial - put the heavier 6 balls by 3 balls at each side
3 a4 w1 {1 h/ v. M: a6 b, Hlastly, take out the lighter 3 balls.... now left 3 balls..tvb now,tvbnow,bttvb1 D5 A2 B1 x" o! M9 h5 K
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... |