问题
选择题
设集合A={m∈Z|-3<m<2},B={n∈N|-1<n≤3},则A∩B=( )
A.{0,1}
B.{-1,0,1}
C.{0,1,2}
D.{-1,0,1,2}
答案
集合A={m∈Z|-3<m<2}={-2,-1,0,1},
B={n∈N|-1<n≤3}={0,1,2,3},
所以A∩B={0,1}.
故选A.
设集合A={m∈Z|-3<m<2},B={n∈N|-1<n≤3},则A∩B=( )
A.{0,1}
B.{-1,0,1}
C.{0,1,2}
D.{-1,0,1,2}
集合A={m∈Z|-3<m<2}={-2,-1,0,1},
B={n∈N|-1<n≤3}={0,1,2,3},
所以A∩B={0,1}.
故选A.