招贤纳士

题目:


把下列各数分别填入相应的集合里.
1,-0.20,,325,-789,0,-23.13,0.618,-2004.
正数集合:{                                        …};
负数集合:{                                        …};
分数集合:{                                       …};
整数集合: {                                          …}.
这里显示答案和解析