题目内容

把下列各数分别填入相应的集合里.
-4,-|-
4
3
|,0,
22
7
π
2
,2013,-(+5),+1.88,0.010010001…,-2.33….
(1)正数集合:{…};
(2)负数集合:{…};
(3)整数集合:{…};
(4)有理数集合:{…}
(5)无理数集合:{…}.
-|-
4
3
|=-
4
3
,-(+5)=-5,
(1)正数集合:{
22
7
π
2
,2013,+1.88,0.010010001…,…};
(2)负数集合:{-4,-|-
4
3
|,-(+5),-2.33…,…};
(3)整数集合:{-4,0,2013,-(+5),…};
(4)有理数集合:{-4,-|-
4
3
|,0,
22
7
,2013,-(+5),+1.88,-2.33…,…}
(5)无理数集合:{
π
2
,0.010010001…,…}.
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网