问题
填空题
集合A={1,2,4,6,7},B={3,4,5,7},则A∩B=______.
答案
∵集合A={1,2,4,6,7},
B={3,4,5,7},
∴集合A∩B={4,7}.
故答案为:{4,7}.
集合A={1,2,4,6,7},B={3,4,5,7},则A∩B=______.
∵集合A={1,2,4,6,7},
B={3,4,5,7},
∴集合A∩B={4,7}.
故答案为:{4,7}.