问题
填空题
设全集U={x∈N*|x<8},A={1,3,5,7},B={2,4,5},则CU(A∪B)=______.
答案
∵A={1,3,5,7},B={2,4,5},
∴A∪B={1,2,3,4,5,7},
又全集U={1,2,3,4,5,6,7},
则CU(A∪B)={6}.
故答案为:{6}
设全集U={x∈N*|x<8},A={1,3,5,7},B={2,4,5},则CU(A∪B)=______.
∵A={1,3,5,7},B={2,4,5},
∴A∪B={1,2,3,4,5,7},
又全集U={1,2,3,4,5,6,7},
则CU(A∪B)={6}.
故答案为:{6}