提问:设全集U={(x,y)│x,y∈R},集合M={(x,y)│y-3/x-2=1},N={(x,y)│y≠x+1},求Cu(M∪N)等于
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提问:设全集U={(x,y)│x,y∈R},集合M={(x,y)│y-3/x-2=1},N={(x,y)│y≠x+1},求Cu(M∪N)等于
提问:设全集U={(x,y)│x,y∈R},集合M={(x,y)│y-3/x-2=1},N={(x,y)│y≠x+1},求Cu(M∪N)等于
提问:设全集U={(x,y)│x,y∈R},集合M={(x,y)│y-3/x-2=1},N={(x,y)│y≠x+1},求Cu(M∪N)等于
=M={(x,y)│y-3/x-2≠1}交N={(x,y)│y=x+1},
={(x,y)|x=2;y=3}
(2,3)
M={(x,y)│y-3/x-2=1},解出的y=1+x,x=2 ①
N={(x,y)│y≠x+1},解出的y≠x+1 ②
①∪②得x=2,y=3
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