put 3 balls on each 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。* h" u( k$ ] `7 T+ _; M1 H
if balance, we can prove that all 6 balls on the 天平 is normal, + E; G4 M; V8 }7 v: J
if not balance, we can prove that the 6 balls outside the 天平 is normal.
\- ?; l( q/ q, @( N% Itvb now,tvbnow,bttvbthen use the proved-normal ball on one side and put the other ball on other side tvb now,tvbnow,bttvb) _# {( m1 S, s2 L- ^3 ~, m' I) p
to determine the abnormal is heavy and light |
發表於 2011-5-11 04:50 AM
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