题目内容

将下列各数填入相应的括号内.

—1, 0, 2π, +3.6, —17%, 1.2131415…, 3.142, , -0.0, 2008, -506.

正数集合:{                                                …};

负数集合:{                                                …};

整数集合:{                                                …};

分数集合:{                                                …};

无理数集合:{                                              …}.

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