题目内容
计算:-(
)-2×
+|1-
|+6sin45°+π0.
| 1 |
| 2 |
| 8 |
| 2 |
-(
)-2×
+|1-
|+6sin45°+π0
=-4×2
+
-1+6×
+1
=-8
+
-1+3
+1
=-4
.
| 1 |
| 2 |
| 8 |
| 2 |
=-4×2
| 2 |
| 2 |
| ||
| 2 |
=-8
| 2 |
| 2 |
| 2 |
=-4
| 2 |
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