1st trial - put 6 balls at each side .. take out the lighter 6 balls- S: @! Z* A- s6 p
2nd trial - put the heavier 6 balls by 3 balls at each side
5 x# I1 o5 a0 I) Z8 k0 [$ X6 C) Tlastly, take out the lighter 3 balls.... now left 3 balls..
, V* j% ^2 K2 dtvb 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... |