若集合A={0,1,2,3},B={1,2,4},则集合A∪B= |
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A.{0,1,2,3,4} B.{1,2,3,4} C.{1,2} D.{0} |
A |
核心考点
试题【若集合A={0,1,2,3},B={1,2,4},则集合A∪B=[ ]A.{0,1,2,3,4}B.{1,2,3,4}C.{1,2}D.{0}】;主要考察你对
集合运算等知识点的理解。
[详细]
举一反三
设集合M ={1,2,4,8},N={x|x是2的倍数},则M∩N= |
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A.{2,4} B.{1,2,4} C.{2,4,8} D.{1,2,4,8} |
若集合A={x 题型:x|≤1},B={x|x≥0},则A∩B= |
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A.{x|-l≤x≤1} B.{x|x≥0} C.{x|0≤x≤1} D.Φ |
难度:|
查看答案 已知集合M={-1,1},N={x|<2x+1<4,x∈Z},则M∩N= |
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A.{-1,1} B.{0} C.{-1} D.{-1,0} |
已知集合M={x|1+x>0},N={x|},则M∩N= |
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A.{x|-1≤x<1} B.{x|x>1} C.{x|-1<x<1} D.{x|x≥-1} |
设集合A={3,5,6,8},集合B={4,5,7,8},则A∩B等于 |
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A.{3,4,5,6,7,8} B.{3,6} C.{4,7} D.{5,8} |