put 3 balls on each side,
1 c7 {9 i- K! g; L/ eif balance, we can prove that all 6 balls on the 天平 is normal,
5 `5 w1 v; C( q z! Y1 k+ Z5.39.217.77if not balance, we can prove that the 6 balls outside the 天平 is normal.
( F* s$ T# t. q- ^tvb now,tvbnow,bttvbthen use the proved-normal ball on one side and put the other ball on other side tvb now,tvbnow,bttvb% }: J2 r4 V H6 m
to determine the abnormal is heavy and light |