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#b5270326-ead7-4b9a-90e9-7e91f793c62f简单选择题交集定义与运算集合与常用逻辑用语

两个数集的交集运算

设集合 A={1,2,3,4,5}A = \{1,2,3,4,5\},集合 B={2,4,6,8}B = \{2,4,6,8\},则 AB=A \cap B =

A. A. {2,4}\{2,4\}
B. B. {1,2,3,4,5,6,8}\{1,2,3,4,5,6,8\}
C. C. {1,3,5,6,8}\{1,3,5,6,8\}
D. D. \varnothing

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