题目内容
计算:
+
-
-|2-
|+(
)3,(精确到0.01)(参考数据:
≈1.732,
≈2.646)
| ||
| 2 |
| 3 | -0.125 |
| 10-2 |
| 7 |
| 3 | -6 |
| 3 |
| 7 |
原式=
-0.5-
-(
-1)-6
=
-
-4.6
≈
-2.646-4.6
≈-6.38.
| ||
| 2 |
| 1 |
| 10 |
| 7 |
=
| ||
| 2 |
| 7 |
≈
| 1.732 |
| 2 |
≈-6.38.
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