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Of the 58 people who were accepted into a clinical trial to test the effectiveness of a new drug,17 people were over the age of 65 years. From the 58 people accepted, 10 will be selected to begin the first phase of the trial. Which of the following represents the number of combinations of the 10 people to be selected such that 3 of them are over the age of 65 years?


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· 相关考点
6.3.5 组合
6.3.5 组合
以上解析由 考满分老师提供。