fellatioho

put 3 balls on each side, 2 t, ]# M9 v7 l! l: \6 q
if balance, we can prove that all 6 balls on the 天平 is normal,
/ v3 ^$ i2 ?$ f& R2 K6 M5 c公仔箱論壇if not balance, we can prove that the 6 balls outside the 天平 is normal.tvb now,tvbnow,bttvb5 {: L. c* s) |0 ^" a$ @
then use the proved-normal ball on one side and put the other ball on other side
! `8 \; |' z, n  Y5.39.217.76to determine the abnormal is heavy and light