i find one solution that is similar' _/ A4 A$ p0 f/ ?9 Q# k q% R
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.... % t: P1 Q" E# q! n) P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...