i find one solution that is similartvb now,tvbnow,bttvb; J& e' U3 ~) @: }4 d X
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 s0 k7 T; b3 E% C6 ]9 e! b) x. J公仔箱論壇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...