题目内容
计算:
(1)(-3)0-
+|1-
|+
;
(2)
+
+
-
.
(1)(-3)0-
| 27 |
| 2 |
| 1 | ||||
|
(2)
| 108 |
| 45 |
1
|
| 125 |
(1)原式=1-3
+
-1+
=1-3
+
-1+
-
=-2
;
(2)原式=6
+3
+
-5
=
-2
.
| 3 |
| 2 |
| ||||||||
(
|
=1-3
| 3 |
| 2 |
| 3 |
| 2 |
=-2
| 3 |
(2)原式=6
| 3 |
| 5 |
| 2 |
| 3 |
| 3 |
| 5 |
=
| 20 |
| 3 |
| 3 |
| 5 |
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