put 3 balls on each side,
4 o" I8 [, o. N" M8 jtvb now,tvbnow,bttvbif balance, we can prove that all 6 balls on the 天平 is normal,
% l. y" I. a) n. P, w8 y: g9 rTVBNOW 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.
4 R" f6 I7 G$ g1 t) e* s7 tthen use the proved-normal ball on one side and put the other ball on other side
0 \2 U9 y$ u/ w' h& K5.39.217.77:8898to determine the abnormal is heavy and light |
發表於 2011-5-14 02:38 PM
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