题目内容
计算:6
-(
-2)0-
+
×
-
|
| 3 |
| 12 |
| 32 |
|
| 0.25 |
原式=6×
-1-2
+4
×
-
=2
-1-2
+4-
=-1+4-
=2.5.
| ||
| 3 |
| 3 |
| 2 |
| ||
| 2 |
| 1 |
| 2 |
=2
| 3 |
| 3 |
| 1 |
| 2 |
=-1+4-
| 1 |
| 2 |
=2.5.
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|
| 3 |
| 12 |
| 32 |
|
| 0.25 |
| ||
| 3 |
| 3 |
| 2 |
| ||
| 2 |
| 1 |
| 2 |
| 3 |
| 3 |
| 1 |
| 2 |
| 1 |
| 2 |