i find one solution that is similaros.tvboxnow.com7 S6 I' S% f$ h) i1 y3 \/ `! j
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 u. R9 j; t- S& j8 H7 S8 Z9 ^
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...