1st trial - put 6 balls at each side .. take out the lighter 6 ballstvb now,tvbnow,bttvb" ^4 Y5 E* G/ t9 ~3 P7 s
2nd trial - put the heavier 6 balls by 3 balls at each sidetvb now,tvbnow,bttvb$ z8 S( k, D$ I! n" d/ p' g* S
lastly, take out the lighter 3 balls.... now left 3 balls..tvb now,tvbnow,bttvb# h( v2 q2 I) B+ U. X- C1 v+ H
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... |