题目内容
计算:
+(-
)÷
-
-(
)-1
(1-
|
1
|
|
| 2 | ||
|
| 1 |
| 3 |
原式=|1-
|-
×
-
-3
=
-1-
-(
-1)-3
=-3-3
.
| 3 |
|
|
2(
| ||||
(
|
=
| 3 |
| 18 |
| 3 |
=-3-3
| 2 |
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题目内容
(1-
|
1
|
|
| 2 | ||
|
| 1 |
| 3 |
| 3 |
|
|
2(
| ||||
(
|
| 3 |
| 18 |
| 3 |
| 2 |