將下列各數(shù)填入相應(yīng)的集合中.
22
7
,-1,12,0,-3.01,-15,-
2
3
,180,-43,(-3)2,-45%,1,0.62.
(1)整數(shù):
-1,12,0,-15,180,-43,(-3)2,1
-1,12,0,-15,180,-43,(-3)2,1
,
(2)自然數(shù):
12,0,180,(-3)2,1
12,0,180,(-3)2,1
;
(3)正數(shù):
22
7
,12,180,(-3)2,1,0.62
22
7
,12,180,(-3)2,1,0.62
;
(4)負(fù)數(shù)
-1,-3.01,-15,-43,-45%,
-1,-3.01,-15,-43,-45%,
;
(5)偶數(shù):
12,0,180
12,0,180

(6)奇數(shù):
-1,-15,-43,(-3)2,1
-1,-15,-43,(-3)2,1
;
(7)分?jǐn)?shù):
22
7
,-3.01,-
2
3
,-45%,0.62
22
7
,-3.01,-
2
3
,-45%,0.62

(8)非負(fù)數(shù):
22
7
,12,0,180,(-3)2,1,0.62
22
7
,12,0,180,(-3)2,1,0.62
;
(9)非負(fù)整數(shù):
12,0,180,1
12,0,180,1
;
(10)非負(fù)有理數(shù):
22
7
,12,0,180,(-3)2,1,0.62
22
7
,12,0,180,(-3)2,1,0.62
分析:根據(jù)有理數(shù)的分類進(jìn)行判斷即可.有理數(shù)包括:整數(shù)(正整數(shù)、0和負(fù)整數(shù))和分?jǐn)?shù)(正分?jǐn)?shù)和負(fù)分?jǐn)?shù)).
解答:解:(1)整數(shù):-1,12,0,-15,180,-43,(-3)2,1,
(2)自然數(shù):12,0,180,(-3)2,1;
(3)正數(shù):
22
7
,12,180,(-3)2,1,0.62;
(4)負(fù)數(shù)-1,-3.01,-15,-
2
3
,-43,-45%,;
(5)偶數(shù):12,0,180;
(6)奇數(shù):-1,-15,-43,(-3)2,1;
(7)分?jǐn)?shù):
22
7
,-3.01,-
2
3
,-45%,0.62;
(8)非負(fù)數(shù):
22
7
,12,0,180,(-3)2,1,0.62;
(9)非負(fù)整數(shù):12,0,180,(-3)2,1;
(10)非負(fù)有理數(shù):
22
7
,12,0,180,(-3)2,1,0.62.
點(diǎn)評:考查了有理數(shù),認(rèn)真掌握正數(shù)、負(fù)數(shù)、整數(shù)、分?jǐn)?shù)、正有理數(shù)、負(fù)有理數(shù)、非負(fù)數(shù)的定義與特點(diǎn).注意整數(shù)和正數(shù)的區(qū)別,注意0是整數(shù),但不是正數(shù).
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