设全集U=（x/x≥0）,集合A=（x/1＜x≤2）,则cuA =?A∩cuA =?A∪cuA ?

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设全集U=（x/x≥0）,集合A=（x/1＜x≤2）,则cuA =?A∩cuA =?A∪cuA ?
设全集U=（x/x≥0）,集合A=（x/1＜x≤2）,则cuA =?A∩cuA =?A∪cuA ?

设全集U=（x/x≥0）,集合A=（x/1＜x≤2）,则cuA =?A∩cuA =?A∪cuA ?
CuA={x|0≤x≤1或者x>2}
A∩cuA =Φ
A∪cuA =U

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