题目内容
已知|ab-2|+(b-1)2=0,试求
+
+
+
的值.
| 1 |
| ab |
| 1 |
| (a+1)(b+1) |
| 1 |
| (a+2)(b+2) |
| 1 |
| (a+3)(b+3) |
根据题意得:
,
解得:
,
则原式=
+
+
=
-
+
-
+
-
=
-
=
.
|
解得:
|
则原式=
| 1 |
| 3×2 |
| 1 |
| 4×3 |
| 1 |
| 5×4 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 5 |
| 1 |
| 2 |
| 1 |
| 5 |
| 3 |
| 10 |
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