问题
填空题
已知集合U={0,1,2,3,4,5,6},A={0,1,2,3},B={x|x=2k,k∈A},(CUA)∪B=______.
答案
∵A={0,1,2,3},
B={x|x=2k,k∈A}={0,2,4,6},
又∵U={0,1,2,3,4,5,6},
∴CUA={4,5,6},
∴(CUA)∪B={0,2,4,5,6}
故答案为:{0,2,4,5,6}
已知集合U={0,1,2,3,4,5,6},A={0,1,2,3},B={x|x=2k,k∈A},(CUA)∪B=______.
∵A={0,1,2,3},
B={x|x=2k,k∈A}={0,2,4,6},
又∵U={0,1,2,3,4,5,6},
∴CUA={4,5,6},
∴(CUA)∪B={0,2,4,5,6}
故答案为:{0,2,4,5,6}