1st trial - put 6 balls at each side .. take out the lighter 6 balls5.39.217.77/ O; I7 u. `9 K4 j6 [2 d" C
2nd trial - put the heavier 6 balls by 3 balls at each side5.39.217.778 D% z3 T% f1 w Z4 S, b( K7 f
lastly, take out the lighter 3 balls.... now left 3 balls..tvb now,tvbnow,bttvb. Q; ~' J# N! z
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... |