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[DS]我在manhattan论坛上看一usa native问的数学问题..大家来看看

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发表于 2012-11-13 19:54:54 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Q: Coach Jordan will choose at least two students for his team from those who try out on Sunday. How many players will Coach Jordan choose?


1. Coach Jordan could choose exactly 20 different teams.
2. At least two students at the tryout will not be chosen.


大家来讨论讨论,我真心不懂他说的神马....我iq过低是么..
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