AMC 8 2014 Problem 23
AMC8 2014 年第 23 题
整除与因数★★★★☆
Three members of the Euclid Middle School girls' softball team had the following conversation. Ashley: I just realized that our uniform numbers are all 2-digit primes. Bethany: And the sum of your two uniform numbers is the date of my birthday earlier this month. Caitlin: That's funny. The sum of your two uniform numbers is the date of my birthday later this month. Ashley: And the sum of your two uniform numbers is today's date. What number does Caitlin wear?
中学女子垒球队的 3 名成员有如下对话： Ashley：我刚意识到原来我们的球衣编号都是 2 位质数。 Bethany：并且你们两个人的球衣编号之和是这个月的早些时候我生日的日期。 Caitlin：真有趣。你们俩的球衣编号之和是这个月晚些时候我生日的日期。 Ashley：并且你们俩的球衣编号之和就是今天的日期。 那么 Caitlin 的球衣编号是多少？
- A.11
- B.13
- C.17
- D.19
- E.23
正确答案 · Correct Answer
A
解析 · Solution
解析整理中
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