1st trial - put 6 balls at each side .. take out the lighter 6 balls公仔箱論壇8 h# a% F6 A& d& K) }& W" w) @
2nd trial - put the heavier 6 balls by 3 balls at each sideTVBNOW 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。$ j. S, \2 \5 Y$ Q* [
lastly, take out the lighter 3 balls.... now left 3 balls..公仔箱論壇) x$ L2 }. \# |2 F, K
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... |