put 3 balls on each side,
: W( x) ?- ?5 Y0 Z# z6 W: V公仔箱論壇if balance, we can prove that all 6 balls on the 天平 is normal, + N- k" U6 ^; i& [9 l( \2 ?0 B4 n
if not balance, we can prove that the 6 balls outside the 天平 is normal.
3 g/ U8 J, L/ Y7 RTVBNOW 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 8 l2 \' ^, m8 V- t
to determine the abnormal is heavy and light |