问题 填空题

设A={3,5,6,8},B={4,5,7,8},则A∩B=______,A∪B=______.

答案

∵A={3,5,6,8},B={4,5,7,8},

∴A∩B={5,8};A∪B={3,4,5,6,7,8}

故答案为{5,8};{3,4,5,6,7,8}

选择题
多项选择题