答案
解:(1)正数集合{500%,
,0.3,21,1.01001,+6,π,…};
(2)负数集合{-1
,-1.7,-2,…};
(3)正整数集合{500%,21,+6,…};
(4)整数集合{500%,0,21,-2,+6,…};
(5)分数集合{-1
,
,0.3,-1.7,1.01001,…};
(6)非负有理数集合{500%,
,0.3,0,21,1.01001,+6,…};
(7)有理数集合{-1
,500%,
,0.3,0.-1.7,21,-2,1.01001,+6,…};
(8)无理数集合{π,…}.
解:(1)正数集合{500%,
,0.3,21,1.01001,+6,π,…};
(2)负数集合{-1
,-1.7,-2,…};
(3)正整数集合{500%,21,+6,…};
(4)整数集合{500%,0,21,-2,+6,…};
(5)分数集合{-1
,
,0.3,-1.7,1.01001,…};
(6)非负有理数集合{500%,
,0.3,0,21,1.01001,+6,…};
(7)有理数集合{-1
,500%,
,0.3,0.-1.7,21,-2,1.01001,+6,…};
(8)无理数集合{π,…}.