1st trial - put 6 balls at each side .. take out the lighter 6 balls$ j7 q* G1 _1 i5 k# C" R2 m& J
2nd trial - put the heavier 6 balls by 3 balls at each side
. B( X- _; [6 q8 xtvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..
5 l5 p2 B4 O; {$ i9 d Y3 m6 [tvb 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... |