put 3 balls on each side,
5 B7 T. ?3 W! m0 F; M5.39.217.76if balance, we can prove that all 6 balls on the 天平 is normal,
. ]2 \+ z) i, f7 @' F4 I1 f, R% {tvb now,tvbnow,bttvbif not balance, we can prove that the 6 balls outside the 天平 is normal.
- }4 Z- A3 y P# ]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 1 f% |/ E2 k0 U M" D; B
to determine the abnormal is heavy and light |