put 3 balls on each side, 公仔箱論壇, H2 |; A; e+ X4 G" ?+ O
if 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。/ K+ a. J/ s: ~1 ~: K' b
if not balance, we can prove that the 6 balls outside the 天平 is normal.
( v4 g5 i, V) L6 z) P% Tos.tvboxnow.comthen use the proved-normal ball on one side and put the other ball on other side
5 b( t$ H5 |2 ^' L0 C: `+ \" Cto determine the abnormal is heavy and light |