题目
题型：解答题难度：一般来源：不详
①
| 12 |
| 18 |
| 0.5 |
|
②
| 2 | ||
|
| 27 |
| 3 |
答案
| 3 |
| 2 |
| ||
| 2 |
| ||
| 3 |
=
| 7 |
| 3 |
| 3 |
| 7 |
| 2 |
| 2 |
②原式=
| 3 |
| 3 |
=4
| 3 |
核心考点
试题【计算：①12-18-0.5+13②23-1+27-(3-1)0．】；主要考察你对0指数幂和负整数指数幂等知识点的理解。[详细]
举一反三
| 3 | 8 |
（2）用配方法解方程：x2-6x+4=0．
| 12 |
| 1 |
| 2 |
| 3 |
（1）x4-x6+x5-x5
（2）（
| 12 |
| 18 |
| 0.5 |
|
| 2 | ||
|
| 27 |
| 3 |
| 3 |
| 2 |
| ||
| 2 |
| ||
| 3 |
| 7 |
| 3 |
| 3 |
| 7 |
| 2 |
| 2 |
| 3 |
| 3 |
| 3 |
| 3 | 8 |
| 12 |
| 1 |
| 2 |
| 3 |