1st trial - put 6 balls at each side .. take out the lighter 6 balls
4 D5 d) l/ @0 Z2 b _# m2 t5.39.217.77:88982nd trial - put the heavier 6 balls by 3 balls at each side
- U8 S% k- y/ A0 f5.39.217.77:8898lastly, take out the lighter 3 balls.... now left 3 balls../ L% O8 D7 N5 M: F7 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... |