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Set A contains 12 elements, set B contains 15 elements, and set C contains 18 elements. If the set A∪B∪C contains 28 elements, which of the following sets must be non empty?
Indicate all such sets.
Indicate all such sets.
B,C显示答案
· 相关考点
6.1.5 三集合问题
6.1.5 三集合问题
以上解析由 考满分老师提供。
