1st trial - put 6 balls at each side .. take out the lighter 6 balls
0 D6 w# G. j" N" y- Rtvb now,tvbnow,bttvb2nd trial - put the heavier 6 balls by 3 balls at each side公仔箱論壇; Z! W) H4 \3 i2 K8 z; R6 |" V
lastly, take out the lighter 3 balls.... now left 3 balls..
, _% x l- ^/ @" Itvb now,tvbnow,bttvb3rd 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... |