i find one solution that is similar公仔箱論壇' j, b. E# R5 t R$ A' }& r6 ~1 A
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....公仔箱論壇: j# u6 G' |' q9 h3 J. [( M
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...