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已知集合M={1,3},N={x|0<x<3,x∈Z},又P=M∪N,那么集合P...
已知集合M={1,3},N={x|0<x<3,x∈Z},又P=M∪N,那么集合P的真子集共有( )
A.3个
B.7个
C.8个
D.9个
考点分析:
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*).
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