put 3 balls on each side,
Q0 D' a1 D8 ~3 Z, Tif balance, we can prove that all 6 balls on the 天平 is normal,
4 w7 Y& H; L5 { B7 dTVBNOW 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 not balance, we can prove that the 6 balls outside the 天平 is normal.& e% N a+ s/ ?& Z
then use the proved-normal ball on one side and put the other ball on other side www3.tvboxnow.com, n! W' C! Y7 U7 J# b/ x% L. D, T. B/ a
to determine the abnormal is heavy and light |