题目内容
-5
-8
÷(-2)×
+
.
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 13 |
| 2 |
| 3 |
原式=-5
-
×(-
)×
+
=-5
+
+
=-4
.
| 2 |
| 3 |
| 26 |
| 3 |
| 1 |
| 2 |
| 2 |
| 13 |
| 2 |
| 3 |
=-5
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
=-4
| 1 |
| 3 |
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