把下列各数填入相应的括号内：

．

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{                                   …}．