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)|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=?
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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)|2](/uploads/image/z/19417832-8-2.jpg?t=1.%E5%B7%B2%E7%9F%A5%E5%85%A8%E9%9B%86U%3D%7B%EF%BC%88x%2Cy%29%7Cx%E2%88%88R%2Cy%E2%88%88R%7D%2CM%3D%7B%EF%BC%88x%2Cy%EF%BC%89%7Cy-1%2Fx%2B2%2Cx%E2%88%88R%2Cy%E2%88%88R%7D%2CN%3D%7B%28x%2Cy%29%7C2)
是CuM∩N吧.都是点集U是所有的.不过M集合缺点啥吧
再问: 原题啊!!
再问: 原题啊!!
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