put 3 balls on each side,
8 l6 X- H% u! y) ^5.39.217.77:8898if balance, we can prove that all 6 balls on the 天平 is normal,
4 o4 Y: _- Z- j0 o5.39.217.77:8898if not balance, we can prove that the 6 balls outside the 天平 is normal.公仔箱論壇/ }8 I( ?( d- ]2 P" |
then use the proved-normal ball on one side and put the other ball on other side tvb now,tvbnow,bttvb; J% r# w7 J: D5 l
to determine the abnormal is heavy and light |