1st trial - put 6 balls at each side .. take out the lighter 6 balls+ p O) u/ F+ q0 T# g2 p
2nd trial - put the heavier 6 balls by 3 balls at each side
* _- [/ \) _1 r4 Ktvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..tvb now,tvbnow,bttvb7 v8 y" R) A( O; ?+ f; x2 I2 e
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... |