將下列各數(shù)填在相應(yīng)的集合里.
-3.8,-10,4.3,-|-
20
7
|,-4,0,-(-
3
5

整數(shù)集合:{                 },分?jǐn)?shù)集合:{                    },
正數(shù)集合:{                 },負(fù)數(shù)集合:{                     }.
分析:首先區(qū)分整數(shù)、分?jǐn)?shù)、正有理數(shù)、負(fù)有理數(shù)的定義,再根據(jù)定義選出即可.
解答:解:在-3.8,-10,4.3,-|-
20
7
|,-4,0,-(-
3
5
)中,
整數(shù)集合:{-10,-4,0 },
分?jǐn)?shù)集合:{-3.8,4.3,-|-
20
7
|,-(-
3
5
)},
正數(shù)集合:{4.3,-(-
3
5
)},
負(fù)數(shù)集合:{-3.8,-10,-|-
20
7
|,-4}.
點(diǎn)評(píng):本題考查了對(duì)有理數(shù)、正數(shù)、負(fù)數(shù)等知識(shí)點(diǎn)的理解和運(yùn)用,有理數(shù)由正有理數(shù)、負(fù)有理數(shù)和0;整數(shù)和分?jǐn)?shù)統(tǒng)稱有理數(shù).
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