1st trial - put 6 balls at each side .. take out the lighter 6 ballstvb now,tvbnow,bttvb3 v, k3 X/ L4 I' U* k9 |3 N0 }
2nd trial - put the heavier 6 balls by 3 balls at each side
1 ?; X1 u7 ~+ H6 G5 M: w! K& [5.39.217.76lastly, take out the lighter 3 balls.... now left 3 balls..2 t. I0 c0 P% G) [/ ~
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... |