put 3 balls on each side,
" y' U4 K9 g0 C# A8 _tvb now,tvbnow,bttvbif balance, we can prove that all 6 balls on the 天平 is normal, tvb now,tvbnow,bttvb/ a( @! }# S8 o) }/ N6 ?
if not balance, we can prove that the 6 balls outside the 天平 is normal.www2.tvboxnow.com- N1 \% y m2 U2 f: F
then use the proved-normal ball on one side and put the other ball on other side
6 l. X; T- ]- k5 O, n8 s! ]www2.tvboxnow.comto determine the abnormal is heavy and light |