i find one solution that is similar 5 n0 [/ p6 b5 j+ e' U6 d" O6 C8 r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....% C6 ~1 ]& |6 `) L# U; r& J) ^6 S
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...