数学关于集合的,难题哦设全集U={(x,y)|x≥0,y≥0},A={(x,y)|0≤x≤1,0≤x≤1},B={(x,y)|y=x^2-2x+1,0≤x≤3,且x≠1}.(1)求出A并B,A交B,CU(A并B) (CU表补集)(2)设C={(x,y)|(x,y)属于A并B,(x,y)不属于A},

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