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题目内容
In the sophomore class of a certain university, 85 percent of the students were taking English composition, 70 percent were taking biology, and 60 percent were taking both English composition and biology. What percent of the students in the class were taking neither English composition nor biology?
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· 相关考点
6.1.2 交集、并集、补集、全集关系
6.1.2 交集、并集、补集、全集关系
以上解析由 考满分老师提供。