put 3 balls on each side,
0 L4 D$ R. q4 b6 Z2 e5.39.217.77:8898if balance, we can prove that all 6 balls on the 天平 is normal, # G! D$ d$ Z" f* Z
if not balance, we can prove that the 6 balls outside 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。0 k5 s$ l. ?2 c! O* p
then use the proved-normal ball on one side and put the other ball on other side
" t6 Y$ C, B0 i5.39.217.77:8898to determine the abnormal is heavy and light |