put 3 balls on each side,
* }( E2 w3 n: [4 D6 Qtvb now,tvbnow,bttvbif balance, we can prove that all 6 balls on the 天平 is normal,
& X3 D" F2 |: Fif not balance, we can prove that the 6 balls outside the 天平 is normal.
, J5 z8 ^3 A" @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。then use the proved-normal ball on one side and put the other ball on other side
! @' W$ b0 x1 ctvb now,tvbnow,bttvbto determine the abnormal is heavy and light |