i find one solution that is similar' w3 H4 q$ o) X* L9 f3 v% X
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.... . I5 F& E" q% _/ ]公仔箱論壇maybe 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...