put 3 balls on each side,
, S4 T% o5 `. R" z2 M5.39.217.76if balance, we can prove that all 6 balls on the 天平 is normal,
9 P. R7 d) }" [9 mtvb now,tvbnow,bttvbif not balance, we can prove that the 6 balls outside the 天平 is normal.
4 A9 _: o" T. G0 N公仔箱論壇then use the proved-normal ball on one side and put the other ball on other side 公仔箱論壇9 A' O" L8 c' |: y
to determine the abnormal is heavy and light |