题目内容
计算:(0.027)-
-(-
)-2+(2
)
-(
-1)0=______.
| 1 |
| 3 |
| 1 |
| 7 |
| 7 |
| 9 |
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| 2 |
| 2 |
(0.027)-
-(-
)-2+(2
)
-(
-1)0
=
-
+
-1=
-49+
-1=-45.
故答案为-45.
| 1 |
| 3 |
| 1 |
| 7 |
| 7 |
| 9 |
| 1 |
| 2 |
| 2 |
=
| 1 | |||
|
| 1 | ||
(-
|
|
| 1 |
| 0.3 |
| 5 |
| 3 |
故答案为-45.
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