1. (2024七上·青原月考) 把下列各数填入相应的括号内：

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有理数集合{                                   …}；整数集合{                                   …}，

分数集合{                                   …}，非负整数集合{                                   …}，

正有理数集合{                                   …}，负有理数集合{                                   …}，

非负有理数集合{                                   …}．