jexmand

1st trial - put 6 balls at each side .. take out the lighter 6 balls
) i* p/ d8 `9 s* PTVBNOW 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。2nd trial - put the heavier 6 balls by 3 balls at each sidetvb now,tvbnow,bttvb& S% n# v$ K+ @- \5 d. E" H8 @7 k$ [
lastly, take out the lighter 3 balls.... now left 3 balls../ Q# P: k3 G  G
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...