已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则 [CuM]交N=N为啥是错的?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 14:52:46
已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则 [CuM]交N=N为啥是错的?

已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则 [CuM]交N=N为啥是错的?
已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则 [CuM]交N=N为啥是错的?

已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则 [CuM]交N=N为啥是错的?
CUM的答案是2,6.然后2和6交N答案应该是2和6..