1st trial - put 6 balls at each side .. take out the lighter 6 ballstvb now,tvbnow,bttvb5 \* b6 @' M7 h6 M
2nd trial - put the heavier 6 balls by 3 balls at each side
* `3 r( i ~+ l R( O8 R# alastly, take out the lighter 3 balls.... now left 3 balls..tvb now,tvbnow,bttvb9 Z% m ^" f. E3 d: ^
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... |