已知集合M={(x,y)|x+y=2},P={(x,y)|x-y=4},则M∩P=( )A.{(3,-1)}B.(3,-1)C.{3,-1
已知集合M={(x,y)|x+y=2},P={(x,y)|x-y=4},则M∩P=()A.{(3,-1)}B.(3,-1)C.{3,-1}D.x=3,y=-1...
已知集合M={(x,y)|x+y=2},P={(x,y)|x-y=4},则M∩P=( )A.{(3,-1)}B.(3,-1)C.{3,-1}D.x=3,y=-1
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