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设全集U={0,1,2,3,4},A={0,3,4},B={1,3},则(∁∪A...
设全集U={0,1,2,3,4},A={0,3,4},B={1,3},则(∁∪A)∪B=( )
A.{2}
B.{1,2,3}
C.{1,3}
D.{0,1,2,3,4}
考点分析:
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表示向量
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,求线段AB的中点C的坐标.
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若对n个向量
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