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" w' v7 K W4 G6 }6 @) |. n. 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.3 ?* e; p7 ^" t; o3 Y* q* x
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