put 3 balls on each side,
w) t3 }$ s( T6 t公仔箱論壇if balance, we can prove that all 6 balls on the 天平 is normal,
: D1 `( c6 K9 f: P2 Gtvb now,tvbnow,bttvbif not balance, we can prove that the 6 balls outside the 天平 is normal.
1 |1 {+ Q. i- P/ E6 wTVBNOW 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 9 B& j/ L7 {6 \3 M. b& _6 a; _
to determine the abnormal is heavy and light |