题目内容
计算:
(1)
+
-3
(2)
×
÷
(3)
+|-
|-(-2006)0+(
)-1.
(1)
| 24 |
|
| 6 |
(2)
| 75 |
| ||
| 3 |
| 1 | ||
|
(3)
| 12 |
| 3 |
| 1 |
| 2 |
(1)原式=2
+
-3
=-
;
(2)原式=5
×
×
=10;
(3)原式=2
+
-1+2=3
+1.
| 6 |
| ||
| 3 |
| 6 |
2
| ||
| 3 |
(2)原式=5
| 3 |
| ||||
| 3 |
| 2 |
(3)原式=2
| 3 |
| 3 |
| 3 |
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