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题型:解答题-问答题 难度:0.85 引用次数:54 题号:9064673
把下列各数填在相应的集合内:
6,-3,2.5,-1.11,0,-1,-|-9| ,-(-3.15),-π,   π,   3.14
(1)整数集合{                                                         …} ;
(2)分数集合{                                                         …}
(3)非负数集合{                                                     …}
(4)有理数集合 {                                                     …}

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