Well..divided into 6/6 first to define a heavier group is certainly right. Randomly select 3/3 will result another heavier group. ; Q2 j. b/ j4 ]7 qThe 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+ W6 k$ b- A* x2 K
这也未勉太容易了吧?5.39.217.77:8898 f6 C' Q$ R3 A. a5 q+ S7 C
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不用几秒就算出来了~5 P- x p R1 _, s u! `
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但也要支持下~$ A6 g! \; |) d! j) L: L4 U3 ]/ [
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