题目内容
计算:
=
=
,
=
|
|
|
|
.
| ||
|
2
| 2 |
2
,| 2 |
|
| 1 |
| 10 |
| 3 |
| 1 |
| 10 |
| 3 |
|
| 1 |
| 2 |
| a |
| c |
| b |
| 1 |
| 2 |
| a |
| c |
| b |
分析:根据二次根式的性质化简即可.
解答:解:
=
=
=2
,
=
,
=
|
|
.
故答案为:2
,
,
|
|
.
| ||
|
|
| 8 |
| 2 |
|
| 1 |
| 10 |
| 3 |
|
| 1 |
| 2 |
| a |
| c |
| b |
故答案为:2
| 2 |
| 1 |
| 10 |
| 3 |
| 1 |
| 2 |
| a |
| c |
| b |
点评:考查了分母有理化和二次根式的性质,是基础题型,比较简单.
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