题目内容
| 2 |
| 7 |
| 2 |
| 3 |
| 2 |
| 5 |
(1)
的倒数是1÷
=
,
×
=
;
(2)2-4×
,
=2-1.6,
=0.4(米);
故答案为:
,0.4.
| 2 |
| 7 |
| 2 |
| 7 |
| 7 |
| 2 |
| 7 |
| 2 |
| 2 |
| 3 |
| 7 |
| 3 |
(2)2-4×
| 2 |
| 5 |
=2-1.6,
=0.4(米);
故答案为:
| 7 |
| 3 |
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| 2 |
| 7 |
| 2 |
| 3 |
| 2 |
| 5 |
| 2 |
| 7 |
| 2 |
| 7 |
| 7 |
| 2 |
| 7 |
| 2 |
| 2 |
| 3 |
| 7 |
| 3 |
| 2 |
| 5 |
| 7 |
| 3 |