i find one solution that is similar公仔箱論壇$ m7 W8 [4 V& G, x- w
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/ P e+ c; }) A- w6 ~8 g
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...