put 3 balls on each side, tvb now,tvbnow,bttvb- q+ l0 ^) n5 a6 s: A% I
if balance, we can prove that all 6 balls on the 天平 is normal,
c. } d, f% J3 e2 lTVBNOW 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 not balance, we can prove that the 6 balls outside the 天平 is normal.
/ S) }5 ]# b8 P; U6 M5.39.217.77then use the proved-normal ball on one side and put the other ball on other side 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。4 O4 b2 {' y$ d* o
to determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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