问题
选择题
设集合A={2,3},B={3,4},C={3,4,5},则(A∩B)∪C=( )
A.{2,3,4}
B.{2,3,5}
C.{3,4,5}
D.{2,3,4,5}
答案
∵集合A={2,3},B={3,4},C={3,4,5}则(A∩B)={3},(A∩B)∪C={3,4,5},
故选C.
设集合A={2,3},B={3,4},C={3,4,5},则(A∩B)∪C=( )
A.{2,3,4}
B.{2,3,5}
C.{3,4,5}
D.{2,3,4,5}
∵集合A={2,3},B={3,4},C={3,4,5}则(A∩B)={3},(A∩B)∪C={3,4,5},
故选C.