题目内容
2的倒数是______;0.4与它的倒数相差______.
(1)2的倒数是
;
(2)0.4=
,
的倒数是
,即0.4的倒数是
,
-0.4=2.5-0.4=2.1;
故答案为:
,2.1.
| 1 |
| 2 |
(2)0.4=
| 2 |
| 5 |
| 2 |
| 5 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
故答案为:
| 1 |
| 2 |
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