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Of the people in a debating club, 42 percent are more than 55 years old and 68 percent are married.
Quantity A
The percent of the people in the club who are both more than 55 years old and married
Quantity B
26%
D显示答案
· 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。
