i find one solution that is similar ; B9 D% H4 {* v, }$ d公仔箱論壇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....www.tvboxnow.com5 ~2 }( s3 W2 p0 J
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...