1st trial - put 6 balls at each side .. take out the lighter 6 balls
' R5 U, B7 J6 t, v+ E2nd trial - put the heavier 6 balls by 3 balls at each side
% {$ e6 u0 `5 ~TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。lastly, take out the lighter 3 balls.... now left 3 balls..6 |. _2 a* P, x
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... |