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题目内容双击单词支持查询和收藏哦～
Brad and Paula were each given a copy of the same list of 20 songs, and they were asked to mark the songs that they liked. Brad marked 15 songs and Paula marked 12 songs. Which of the following CANNOT be the number of songs that they both marked?
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· 相关考点
6.1.4 双集合交并集的最大与最小
6.1.4 双集合交并集的最大与最小
以上解析由 考满分老师提供。
