put 3 balls on each side,
) \% {# ]% C. DTVBNOW 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。if balance, we can prove that all 6 balls on the 天平 is normal, 公仔箱論壇3 s5 J9 x9 v, a, J9 }
if not balance, we can prove that the 6 balls outside the 天平 is normal.
/ H) {3 b( [8 j+ i% u. _1 i+ vTVBNOW 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 5.39.217.77: F* R% S9 }1 s# {" ?, u
to determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
| 
