put 3 balls on each side,
* Z" t7 R# P+ K9 C% C& O* p5.39.217.76if balance, we can prove that all 6 balls on the 天平 is normal, 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。& I9 Y' n# s/ s- o% a/ p: h
if not balance, we can prove that the 6 balls outside the 天平 is normal.
0 Z" i. v, m/ a公仔箱論壇then use the proved-normal ball on one side and put the other ball on other side
5 {# @) v4 E( [8 h- E, d! Qto determine the abnormal is heavy and light |