Well..divided into 6/6 first to define a heavier group is certainly right. Randomly select 3/3 will result another heavier group.公仔箱論壇( F5 C5 G7 d' K% E/ @9 w
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.5.39.217.77% R0 u& Z! c" L5 n+ I) Z
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