1st trial - put 6 balls at each side .. take out the lighter 6 balls
4 F) ?3 \4 |0 f5 Ywww3.tvboxnow.com2nd trial - put the heavier 6 balls by 3 balls at each side公仔箱論壇/ |; h7 C7 l- V* o* o6 ~) N
lastly, take out the lighter 3 balls.... now left 3 balls..& p' c. l# C6 _2 L5 R0 J
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... |