题目内容
若a的倒数是-
,
的相反数是0,c是-1的立方根,求
+
+
的值.
| 1 |
| 2 |
| 2 |
| b |
| c |
| a-b |
| a |
| b-c |
| b |
| c-a |
由题意得:a=-
,b=0,c=
=-1,
∴原式=
+
+
=-
.
| 2 |
| 3 | -1 |
∴原式=
| -1 | ||
-
|
-
| ||
| 1 |
| 0 | ||
-1+
|
| ||
| 2 |
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题目内容
| 1 |
| 2 |
| 2 |
| b |
| c |
| a-b |
| a |
| b-c |
| b |
| c-a |
| 2 |
| 3 | -1 |
| -1 | ||
-
|
-
| ||
| 1 |
| 0 | ||
-1+
|
| ||
| 2 |