题目
题型:解答题难度:一般来源:不详
6 | ||
|
18 |
1 |
2 |
答案
6
| ||||
|
2 |
=3
2 |
2 |
=-1.
故答案为:-1.
核心考点
试题【62-18-(12)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
18 |
2 |
(1)
12 |
1 |
2 |
3 |
(2)(
2 |
2 |
30 |
3 |
2 |
2
|
2
|
(2)
18 |
2 | ||
|
| ||
2 |
5 |
6 | ||
|
5 |
12 |
1 |
2 |
(1)3
6 | ||
|
18 |
1 |
2 |
6
| ||||
|
2 |
2 |
2 |
18 |
2 |
12 |
1 |
2 |
3 |
2 |
2 |
30 |
3 |
2 |
2
|
2
|
18 |
2 | ||
|
| ||
2 |
5 |
6 | ||
|
5 |
12 |
1 |
2 |