试题 试卷
题型:综合题 题类:常考题 难易度:普通
实数++++++++2
﹣4,0, , ,2015,0.010010001…(相邻两个1之间依次增加一个0),﹣2.333…,20%.
①整 数{ };
②正分数{ };
③无理数{ }.
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