put 3 balls on each side,
" _3 A/ D$ G& Y8 w8 }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。if balance, we can prove that all 6 balls on the 天平 is normal,
2 s: V! Q: f$ Q! Z8 U4 W$ E7 p e- sif not balance, we can prove that the 6 balls outside the 天平 is normal.公仔箱論壇7 J3 O o: b( z' i
then use the proved-normal ball on one side and put the other ball on other side
% c9 y- ?, k! P- F: atvb now,tvbnow,bttvbto determine the abnormal is heavy and light |