put 3 balls on each side,
4 [: b) ]1 L1 M! W) q! b1 lif balance, we can prove that all 6 balls on the 天平 is normal,
/ A* s* s* ~$ ^: F I0 I7 i公仔箱論壇if not balance, we can prove that the 6 balls outside the 天平 is normal.
9 w4 F8 v& c" I' q5 i( Q; v3 J% @: xTVBNOW 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 公仔箱論壇7 j' X5 y, f- B) g' l
to determine the abnormal is heavy and light |