问题
选择题
已知集合A={0,1,2,3,4,5},B={1,3,6,9},C={3,7,8},则(A∩B)∪C等于( )
A.{0,1,2,6,8}
B.{3,7,8}
C.{1,3,7,8}
D.{1,3,6,7,8}
答案
∵集合A={0,1,2,3,4,5},B={1,3,6,9},
∴A∩B={1,3},
∵C={3,7,8},
∴(A∩B)∪C={1,3,7,8},
故选C.
已知集合A={0,1,2,3,4,5},B={1,3,6,9},C={3,7,8},则(A∩B)∪C等于( )
A.{0,1,2,6,8}
B.{3,7,8}
C.{1,3,7,8}
D.{1,3,6,7,8}
∵集合A={0,1,2,3,4,5},B={1,3,6,9},
∴A∩B={1,3},
∵C={3,7,8},
∴(A∩B)∪C={1,3,7,8},
故选C.