Well..divided into 6/6 first to define a heavier group is certainly right. Randomly select 3/3 will result another heavier group.+ q+ |# A+ f) ]+ R8 ]( M! Q
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.www1.tvboxnow.com" ] C4 _+ O ~6 \) G. M
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