將下列各數(shù)填在相應(yīng)的集合里:

-3.8,-10,4.6,,42,0,

整數(shù)集合:{  },

分?jǐn)?shù)集合:{  },

正數(shù)集合:{  },

負(fù)數(shù)集合:{  }.

答案:
解析:

  整數(shù)集合:{,,}  1

  分?jǐn)?shù)集合:{,,,}  2

  正數(shù)集合:{,,}  3

  負(fù)數(shù)集合:{,}  4


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