题目内容
2
×(
-
)×
÷1
.
| 1 |
| 5 |
| 1 |
| 3 |
| 1 |
| 2 |
| 3 |
| 11 |
| 1 |
| 4 |
原式=
×(-
)×
×
,
=-(
×
×
×
),
=-
.
| 11 |
| 5 |
| 1 |
| 6 |
| 3 |
| 11 |
| 4 |
| 5 |
=-(
| 11 |
| 5 |
| 1 |
| 6 |
| 3 |
| 11 |
| 4 |
| 5 |
=-
| 2 |
| 25 |
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题目内容
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| 5 |
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| 11 |
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| 1 |
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| 11 |
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