Well..divided into 6/6 first to define a heavier group is certainly right. Randomly select 3/3 will result another heavier group.5.39.217.762 y5 }3 k/ h5 x4 J& L. o
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.* k6 N1 X: h: _8 q, B! Y$ X) l& S' ]
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