题目内容
(-
)÷(
-
+
-
)
| 1 |
| 18 |
| 1 |
| 6 |
| 1 |
| 10 |
| 2 |
| 3 |
| 2 |
| 5 |
(-
)÷(
-
+
-
),
=(-
)÷(
-
+
-
),
=(-
)÷
,
=-
×3,
=-
.
| 1 |
| 18 |
| 1 |
| 6 |
| 1 |
| 10 |
| 2 |
| 3 |
| 2 |
| 5 |
=(-
| 1 |
| 18 |
| 5 |
| 30 |
| 3 |
| 30 |
| 20 |
| 30 |
| 12 |
| 30 |
=(-
| 1 |
| 18 |
| 1 |
| 3 |
=-
| 1 |
| 18 |
=-
| 1 |
| 6 |
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