1st trial - put 6 balls at each side .. take out the lighter 6 balls+ j+ Z( o) {, P o$ J5 z4 O, A
2nd trial - put the heavier 6 balls by 3 balls at each side
- r6 t; j8 I- B# gtvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..1 i: F+ E; B% z" r5 U
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... |