put 3 balls on each side, tvb now,tvbnow,bttvb. v- X3 ]3 X, ^
if balance, we can prove that all 6 balls on the 天平 is normal,
' O) O3 a. {5 a4 V ?1 \3 }tvb now,tvbnow,bttvbif not balance, we can prove that the 6 balls outside the 天平 is normal.
! z# q, Z1 _9 @' H) }, w+ G+ Ithen use the proved-normal ball on one side and put the other ball on other side 公仔箱論壇! W: ?# @1 L& C0 i
to determine the abnormal is heavy and light |