put 3 balls on each side, * N. F# B- F6 E: X
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。, M* P1 a' C: E/ e5 H
if not balance, we can prove that the 6 balls outside the 天平 is normal.
: k, l9 i- R5 p0 @0 t0 }; e5.39.217.77:8898then use the proved-normal ball on one side and put the other ball on other side tvb now,tvbnow,bttvb# q, u$ ^6 E& g; K- c4 @0 |$ Y; D
to determine the abnormal is heavy and light |