1st trial - put 6 balls at each side .. take out the lighter 6 ballstvb now,tvbnow,bttvb1 z6 K- l# v) Y, J
2nd trial - put the heavier 6 balls by 3 balls at each side
. u; q5 A- z7 t( V: E2 [! B E$ D( [# l, ltvb now,tvbnow,bttvblastly, take out the lighter 3 balls.... now left 3 balls..
' u% c* A; |" x# e( g, |3 L. Ytvb 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... |