put 3 balls on each side,
5 _- K( s2 T5 a- U rwww3.tvboxnow.comif balance, we can prove that all 6 balls on the 天平 is normal, 公仔箱論壇5 l" `, ]" t: P, X0 o! M
if not balance, we can prove that the 6 balls outside the 天平 is normal.
7 F6 E- P4 @# z% m; @+ YTVBNOW 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。then use the proved-normal ball on one side and put the other ball on other side - j4 S$ E! T8 P
to determine the abnormal is heavy and light |