题目内容
把下列各数填在相应的大括号里:
+8,+
,0.275,-|-2|,0,-1.04,
,-
,-(-10),-(-8)
正数集合:﹛
整数集合:﹛
负数集合:﹛
分数集合:﹛
+8,+
| 3 |
| 4 |
| 22 |
| 7 |
| 1 |
| 3 |
正数集合:﹛
+8,+
,0.275,
,-(-10),-(-8)
| 3 |
| 4 |
| 22 |
| 7 |
+8,+
,0.275,
,-(-10),-(-8)
﹜; | 3 |
| 4 |
| 22 |
| 7 |
整数集合:﹛
+8,-|-2|,0,-(-10),-(-8)
+8,-|-2|,0,-(-10),-(-8)
﹜;负数集合:﹛
-|-2|,-1.04,-
| 1 |
| 3 |
-|-2|,-1.04,-
﹜; | 1 |
| 3 |
分数集合:﹛
+
,0.275,
,-
,-1.04
| 3 |
| 4 |
| 22 |
| 7 |
| 1 |
| 3 |
+
,0.275,
,-
,-1.04
﹜.| 3 |
| 4 |
| 22 |
| 7 |
| 1 |
| 3 |
分析:按照有理数的分类填写:
有理数
,
有理数
|
解答:解:正整数集合:{+8,+
,0.275,
,-(-10),-(-8)…};
整数集合{+8,-|-2|,0,-(-10),-(-8)};
负数集合{-|-2|,-1.04,-
};
分数集合{+
,0.275,
,-
,-1.04 }.
故答案为:+8,+
,0.275,
,-(-10),-(-8)…;+8,-|-2|,0,-(-10),-(-8);-|-2|,-1.04,-
;
+
,0.275,
,-
,-1.04.
| 3 |
| 4 |
| 22 |
| 7 |
整数集合{+8,-|-2|,0,-(-10),-(-8)};
负数集合{-|-2|,-1.04,-
| 1 |
| 3 |
分数集合{+
| 3 |
| 4 |
| 22 |
| 7 |
| 1 |
| 3 |
故答案为:+8,+
| 3 |
| 4 |
| 22 |
| 7 |
| 1 |
| 3 |
+
| 3 |
| 4 |
| 22 |
| 7 |
| 1 |
| 3 |
点评:本题主要考查了有理数的分类.认真掌握正数、整数、负数定义与特点.特别注意整数和正数的区别,注意0是整数,但不是正数.
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