设全集U={x∈N+ |x<6},集合A={1,3},B={3,5},则CU(A∪B)= [ ]A. {1,4} B. {1,5} C. {2,4}
题型:单选题难度:简单来源:甘肃省月考题
设全集U={x∈N+ |x<6},集合A={1,3},B={3,5},则CU(A∪B)= |
[ ] |
A. {1,4} B. {1,5} C. {2,4} D. {2,5} |
答案
C |
举一反三
已知集合I={1,2,3,4},A={1},B={2,4},则A∪(CI B)= |
[ ] |
A.{1} B.{1,3} C.{3} D.{1,2,3} |