put 3 balls on each side,
; s; D1 ^8 Q# k, \/ @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。if balance, we can prove that all 6 balls on the 天平 is normal, / P, t( U' r' \ a7 [, F1 [8 q
if not balance, we can prove that the 6 balls outside the 天平 is normal.
m) |3 M! f" ^9 ]4 J2 `) ^then use the proved-normal ball on one side and put the other ball on other side tvb now,tvbnow,bttvb- f6 M( x" ]+ F& K* B0 b9 ^3 W U4 M: a
to determine the abnormal is heavy and light |