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应该是16只.最差情况取5只不重色,第6只配一双.但是在最差情况下第7只可能和陪对的袜子是一种颜色,所以要取第8只才能配成两双.以此类推,陪6双要16只.

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Last Updated: 2001-7-16
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有兴趣的请帮忙做一数学题：抽屉里有5种不同颜色的袜子，至少取多少只才能保证有6双？
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