i find one solution that is similar 8 {; i" W0 {3 ~: r* q3 ]8 A G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....公仔箱論壇8 ~4 r5 V' K9 O4 Y! `. u
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...