put 3 balls on each side,
; l9 I3 N) j! l3 u- v- mtvb now,tvbnow,bttvbif balance, we can prove that all 6 balls on the 天平 is normal,
8 I3 ^& Q, T: V: L2 g& d9 d+ Cif not balance, we can prove that the 6 balls outside the 天平 is normal.
8 J; w- R; ]1 _3 I. ?- K; ktvb now,tvbnow,bttvbthen use the proved-normal ball on one side and put the other ball on other side
( O# M0 h! ], [* u: T7 \- yTVBNOW 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。to determine the abnormal is heavy and light |