Well..divided into 6/6 first to define a heavier group is certainly right. Randomly select 3/3 will result another heavier group.
9 F) ?. T, N. J0 l" F5.39.217.77:8898The 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.- x g4 O4 y J
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