1st trial - put 6 balls at each side .. take out the lighter 6 ballstvb now,tvbnow,bttvb+ } m: ~0 }0 S7 w+ e
2nd trial - put the heavier 6 balls by 3 balls at each side
- h" M' R' |, e& p6 }9 olastly, take out the lighter 3 balls.... now left 3 balls..
4 I! b+ O9 U3 k: P4 X, {, w* X9 f3rd 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... |