1st trial - put 6 balls at each side .. take out the lighter 6 balls5.39.217.77:8898/ k' Y, Y K8 Q3 Q6 U$ p' p3 s4 o
2nd trial - put the heavier 6 balls by 3 balls at each side
6 a/ r' q2 {* ]8 Nlastly, take out the lighter 3 balls.... now left 3 balls..1 [( }# P& b! _- ]8 I- Q4 z- N+ ~+ p
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... |