题目内容
计算:(-
)-2×
+(
+
)0-|-
|-
.
| 1 |
| 2 |
| 2 |
| ||
| 2 |
| 11 |
| 5 |
| 32 |
| 1 | ||
|
原式=2×
+1-4
-
=
+1-4
-
=1-
.
| ||
| 2 |
| 2 |
| ||
| 2 |
| 2 |
| 2 |
| ||
| 2 |
| 7 |
| 2 |
| 2 |
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A、
| ||
B、
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C、
| ||
D、
|