1st trial - put 6 balls at each side .. take out the lighter 6 balls5.39.217.76* S8 w3 k# J: L- X
2nd trial - put the heavier 6 balls by 3 balls at each side
6 Z1 D* q/ y& e% C2 Itvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..5.39.217.76% X$ |7 b- H/ y* t2 f/ T
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... |