1.已知全集U={(x,y)|x∈R,y∈R},M={(x,y)|y-1/x+2,x∈R,y∈R},N={(x,y)|2x-y+5=0,x∈R,y∈R}.求CiM∩N=?2.
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1.已知全集U={(x,y)|x∈R,y∈R},M={(x,y)|y-1/x+2,x∈R,y∈R},N={(x,y)|2x-y+5=0,x∈R,y∈R}.求CiM∩N=?2.1.已知全集U={(x,y
1.已知全集U={(x,y)|x∈R,y∈R},M={(x,y)|y-1/x+2,x∈R,y∈R},N={(x,y)|2x-y+5=0,x∈R,y∈R}.求CiM∩N=?2.
1.已知全集U={(x,y)|x∈R,y∈R},M={(x,y)|y-1/x+2,x∈R,y∈R},N={(x,y)|2x-y+5=0,x∈R,y∈R}.求CiM∩N=?
2.
1.已知全集U={(x,y)|x∈R,y∈R},M={(x,y)|y-1/x+2,x∈R,y∈R},N={(x,y)|2x-y+5=0,x∈R,y∈R}.求CiM∩N=?2.
是CuM∩N吧.都是点集U是所有的.不过M集合缺点啥吧
已知全集U=R,A={y|y=e^x,x
1.已知全集U={(x,y)|x∈R,y∈R},M={(x,y)|y-1/x+2,x∈R,y∈R},N={(x,y)|2x-y+5=0,x∈R,y∈R}.求CiM∩N=?2.
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