题目内容
-
(2
-4
-3
).
| ||
| 2 |
| 12 |
|
| 48 |
分析:利用二次根式的混合运算法则得出即可.
解答:解:原式=-
(4
-
-12
)
=-
(-8
-
)
=6
+1.
| ||
| 2 |
| 3 |
| 2 |
| 3 |
=-
| ||
| 2 |
| 3 |
| 2 |
=6
| 6 |
点评:此题主要考查了二次根式的混合运算,正确化简二次根式是解题关键.
练习册系列答案
相关题目
题目内容
| ||
| 2 |
| 12 |
|
| 48 |
| ||
| 2 |
| 3 |
| 2 |
| 3 |
| ||
| 2 |
| 3 |
| 2 |
| 6 |