i find one solution that is similar ! |& L7 X* y2 [" ?$ H$ U. ^* a; ^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....公仔箱論壇( w4 |% X) U7 D* Q" a
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...