题目内容
若a1=1-
,a2=1-
,a3=1-
,…;则a2011的值为______.(用含m的代数式表示)
| 1 |
| m |
| 1 |
| a1 |
| 1 |
| a2 |
∵a1=1-
,a2=1-
,a3=1-
,…;
∴a2=1-
=1-
,a3=1-
=m,a4=1-
,
∵
=670…1,
∴a2011的值为:1-
.
故答案为:1-
.
| 1 |
| m |
| 1 |
| a1 |
| 1 |
| a2 |
∴a2=1-
| 1 | ||
1-
|
| m |
| m-1 |
| 1 | ||
1-
|
| 1 |
| m |
∵
| 2011 |
| 3 |
∴a2011的值为:1-
| 1 |
| m |
故答案为:1-
| 1 |
| m |
练习册系列答案
相关题目