1st trial - put 6 balls at each side .. take out the lighter 6 balls
5 Z: `% p; w* i( f2 ptvb now,tvbnow,bttvb2nd trial - put the heavier 6 balls by 3 balls at each side
0 v2 N# H% V3 T* g# a% x5 Mlastly, take out the lighter 3 balls.... now left 3 balls..0 U: P3 X' R9 c' A" F( M' ^
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... |