Well..divided into 6/6 first to define a heavier group is certainly right. Randomly select 3/3 will result another heavier group.' H1 {# y1 o u# v9 g
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.5.39.217.76: m2 o' M9 p6 f
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