put 3 balls on each side,
1 C4 H Z3 b3 T2 W$ UTVBNOW 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。if balance, we can prove that all 6 balls on the 天平 is normal,
- p K5 Y% y& ^# u$ ntvb now,tvbnow,bttvbif not balance, we can prove that the 6 balls outside the 天平 is normal.
) |) `2 A) b; F6 g5.39.217.76then use the proved-normal ball on one side and put the other ball on other side 公仔箱論壇' W' z+ l( i1 p$ c6 E
to determine the abnormal is heavy and light |