i find one solution that is similar) h! I# }$ W0 c! H; ^
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.... $ x2 q7 _( @& `www2.tvboxnow.commaybe 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...