put 3 balls on each side,
" @3 S% h" ]6 |' I: I$ zTVBNOW 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,
1 |- \6 l) \; q1 f- m+ GTVBNOW 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.
) L: ]+ r {4 y7 A% v' @then use the proved-normal ball on one side and put the other ball on other side 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。; P3 F* H5 x( r3 I" i1 w$ V, l
to determine the abnormal is heavy and light |