已知集合M={x|(x-1)2<4,x∈R},N={-1,0,1,2,3},则M∩N=( )A.{0,1,2}B.{-1,0,1,2}C.{-1,0,2,3}
题型:单选题难度:一般来源:不详
已知集合M={x|(x-1)2<4,x∈R},N={-1,0,1,2,3},则M∩N=( )A.{0,1,2} | B.{-1,0,1,2} | C.{-1,0,2,3} | D.{0,1,2,3} |
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答案
由(x-1)2<4,解得:-1<x<3,即M={x|-1<x<3}, ∵N={-1,0,1,2,3}, ∴M∩N={0,1,2}. 故选A |
举一反三
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