摘要:全集I={(x,y)| x,y∈R},M={(x,y)|=1},N={(x,y)| y-3=x-2},则CIM∩N=() A.φ B.{2,3} C.{(x,y)| y-3≠x-2} D.{(2,3)}
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设全集I={(x,y)|x、y∈R},集合M={(x,y)|=1},N={(x,y)|y≠x+1},那么(M)∩(N)等于( )
A.{(2,3)} B.(2,3) C. D.{(x,y)|y≠x+1}
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设全集I={(x,y)|x、y∈R },M={(x,y)|=1},N={(x,y)|y≠x+1},则(M∪N)是( )
A. B.(2,3) C.{(2,3)} D.{(x,y)|y=x+1}
查看习题详情和答案>>设全集I={(x,y)|x,y∈R},集合M={(x,y)|=1},N={(x,y)|y≠x+1},那么(M)∩(N)等于
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A.
B.
{(2,3)}
C.
(2,3)
D.
{(x,y)|y=x+1}