答案
解:-|-
|=-
,-(+5)=-5,
(1)正数集合:{
,
,2013,+1.88,0.010010001…,…};
(2)负数集合:{-4,-|-
|,-(+5),-2.33…,…};
(3)整数集合:{-4,0,2013,-(+5),…};
(4)有理数集合:{-4,-|-
|,0,
,2013,-(+5),+1.88,-2.33…,…}
(5)无理数集合:{
,0.010010001…,…}.
解:-|-
|=-
,-(+5)=-5,
(1)正数集合:{
,
,2013,+1.88,0.010010001…,…};
(2)负数集合:{-4,-|-
|,-(+5),-2.33…,…};
(3)整数集合:{-4,0,2013,-(+5),…};
(4)有理数集合:{-4,-|-
|,0,
,2013,-(+5),+1.88,-2.33…,…}
(5)无理数集合:{
,0.010010001…,…}.