set1={1,2,3}set2={2,3,4}set1和set2的对称差集是?

6 查阅

set1={1,2,3}set2={2,3,4}set1和set2的对称差集是?

A.{1,2,3}

B.{2,3,4}

C.{1,2,3,4}

D.{1,4}

参考答案:

答案:D