put 3 balls on each side, 5.39.217.76+ C' a; E7 k' G- k- b2 k7 Q" q
if balance, we can prove that all 6 balls on the 天平 is normal, 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。9 n* R; ^/ v n$ a' k) u
if not balance, we can prove that the 6 balls outside the 天平 is normal.
; u2 W# k5 _- u3 O公仔箱論壇then use the proved-normal ball on one side and put the other ball on other side tvb now,tvbnow,bttvb' q/ _. g' `; n7 z6 }1 g
to determine the abnormal is heavy and light |