题目内容
把下列各数分别填在表示它所属的括号里:-5.3,+31,-
,0,-7,
,2005,-1.39.
(1)正有理数:______;
(2)负有理数:______;
(3)整数:______;
(4)分数:______.
| 3 |
| 4 |
| 12 |
| 13 |
(1)正有理数:______;
(2)负有理数:______;
(3)整数:______;
(4)分数:______.
(1)31,
,2005;
(2)-5.3,-
,-7,-1.39;
(3)+31,0,-7,2005;
(4)-5.3,-
,
,-1.39.
| 12 |
| 13 |
(2)-5.3,-
| 3 |
| 4 |
(3)+31,0,-7,2005;
(4)-5.3,-
| 3 |
| 4 |
| 12 |
| 13 |
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