put 3 balls on each side,
. w% I, T4 P/ z5 w, p# x. wtvb now,tvbnow,bttvbif 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。# \- f' U+ W* l* [/ \3 T* \& v
if not balance, we can prove that the 6 balls outside the 天平 is normal.
1 a3 u s; ~; o7 w! Stvb now,tvbnow,bttvbthen use the proved-normal ball on one side and put the other ball on other side * V* o/ k6 U/ e k6 U7 c& ~
to determine the abnormal is heavy and light |