Well..divided into 6/6 first to define a heavier group is certainly right. Randomly select 3/3 will result another heavier group.
, l0 i& S/ S! f5 c3 D) {公仔箱論壇The problem is we don't know the weight of each individual ball, so it will not be accurate to figure out which ball is irregular by only weight them once.公仔箱論壇! |1 Z# H1 O8 P' ~# o
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