i find one solution that is similar公仔箱論壇. J2 O+ q: ~/ @8 i- D% v" `4 g
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.... p/ a7 x9 ^, ], ]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...