2020-2021学年辽宁省葫芦岛市高一上学期期末考试数学试题解析

2020-2021学年辽宁省葫芦岛市高一上学期期末考试数学试题一、单选题已知集合 U = {1,2,3,4,5}, A = (1,3},则 CVA =A. (1,3} B. (1,4} C. {2,5