问题
选择题
已知U={1,2,3,4,5,6,7,8},A={1,3,5,7},B={2,4, 5},则CU(A∪B)= [ ]
A.{6,8}
B.{5,7}
C.{4,6,7}
D.{1,3,5,6,8}
答案
答案:A
已知U={1,2,3,4,5,6,7,8},A={1,3,5,7},B={2,4, 5},则CU(A∪B)= [ ]
A.{6,8}
B.{5,7}
C.{4,6,7}
D.{1,3,5,6,8}
答案:A