i find one solution that is similar & r, }2 ^& H# N+ W& ^! k. x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.... D( Z/ v0 J4 E/ u3 zmaybe 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...