i find one solution that is similar 8 B7 ?' O4 U2 ~( f: ?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.... 6 g/ j, A: i% ^: s6 O4 W. A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...