题目内容
计算:
(1)|
-
|+|1-
|-|
-3|+|2
-9|;
(2)
-
+
-
.
(1)|
| 6 |
| 2 |
| 2 |
| 6 |
| 6 |
(2)
| 3 | 1000 |
| 1 |
| 5 |
2
|
| 1 |
| 2 |
| 0.01 |
| 3 | -3
| ||
(1)原式=
-
+
-1-(3-
)+9-2
,
=
-
+
-1-3+
+9-2
,
=5;
(2)原式=10-
×
+0.05+1.5,
=11.55-0.3,
=11.25.
| 6 |
| 2 |
| 2 |
| 6 |
| 6 |
=
| 6 |
| 2 |
| 2 |
| 6 |
| 6 |
=5;
(2)原式=10-
| 1 |
| 5 |
| 3 |
| 2 |
=11.55-0.3,
=11.25.
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