1. 把下列各数填在相应的数集内:

(1) 正数集合{                                                                         …};
(2) 整数集合{                                                                         …};
(3) 负分数集合{                                                                      …};
(4) 非正整数集合{                                                                   …};
(5) 有理数集合{                                                                      …}.
【考点】
有理数的乘方法则; 有理数的分类; 求有理数的绝对值的方法;
【答案】

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