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题目内容双击单词支持查询和收藏哦～
There are five pairs of socks with different color each pair. When two socks are randomly selected, what's the probability that two socks of the same color are selected?
Give your answer as a fraction.
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· 相关考点
6.4.1 古典概率
6.4.1 古典概率
以上解析由 考满分老师提供。
