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题型:解答题 题类:常考题 难易度:普通

实数++++++++2

把下列各数填入相应的集合里:

﹣(﹣5),|﹣ |,﹣3.14,0,﹣1.010010001, ,﹣|﹣ |,π,﹣7.2,3.020020002…(两个2之间依次多一个0),

负分数集合:{                                                    …}

非负整数集合:{                                                  …}

无理数集合:{                                                  …}.

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