i find one solution that is similar $ l& s8 t z* W# v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....www3.tvboxnow.com1 O3 \7 K/ u5 H& \ v. ~# Q- C( r
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...