i find one solution that is similar公仔箱論壇1 e" Y) j* N* k& h
but i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left.... 0 k8 [) v: A9 N8 gwww3.tvboxnow.commaybe there is a better one, let me see sin
actually this question always have someone asked, the calculation is very complicated, should give a no. of each ball, and first weight it in 6-6, and .... forgot...