Well..divided into 6/6 first to define a heavier group is certainly right. Randomly select 3/3 will result another heavier group.tvb now,tvbnow,bttvb& E$ I- I" P' T. j/ Y" I
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.( ], |/ |% M1 t; k/ c
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