已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/17 22:19:10
已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则 已知U={2,3

已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则
已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则
 

已知U={2,3,4,5,6,7},M={3,4,5,7},N={2,4,5,6},则
B