i find one solution that is similar 3 y! q4 f2 ~; \# Q' N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....; }8 G: H, p% h3 F% b% q
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...