题目内容
计算:3
×
-2÷1
.
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 5 |
3
×
-2÷1
,
=
×
-2÷
,
=2-2×
,
=2-
,
=
.
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 5 |
=
| 10 |
| 3 |
| 3 |
| 5 |
| 6 |
| 5 |
=2-2×
| 5 |
| 6 |
=2-
| 5 |
| 3 |
=
| 1 |
| 3 |
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题目内容
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| 3 |
| 3 |
| 5 |
| 1 |
| 5 |
| 1 |
| 3 |
| 3 |
| 5 |
| 1 |
| 5 |
| 10 |
| 3 |
| 3 |
| 5 |
| 6 |
| 5 |
| 5 |
| 6 |
| 5 |
| 3 |
| 1 |
| 3 |