- 10 / 15 / 20 / 25 / ..
- 2 / 5 / 10 / 17 / ..
- 2 / 6 / 10 / 14 / ..
- 1/2 / 4/3 / 9/4 / ..
- 1/2 / 2/4 / 3/8 / ..
- 1 / -1 / 1 / -1 / ..
- -1 / 2 / -3 / 4 / -5 / ..
- 0 / 2 / 4 / 6 / 8 / ..
- 2 / 6 / 12 / 20 / ..
- 6 / 9 / 12 / 15 / ..
- 1 / 5 / 11 / 19 / ..
- 0 / 3 / 2 / 5 / 4 / ..
- 9,5 / 9 / 8,5 / 8 / ..
- 1 / 3 / 5 / 7 / 9 / ..
|
- |
10 |
4 |
2n |
- |
4n |
+ |
n |
(-1)n |
- |
2 |
(n-1) |
5n |
* |
2 |
3 |
1 |
n2 |
+ |
(-1)n |
/ |
+ |
/ |
(n+1) |
(n-1) |
n |
n/2 |
2n |
(-1) |
5 |
n2 |
+ |
+ |
( )n+1 |
1 |
n |
n2 |
* |
- |
6n |
* |
3n |
(n+1) |
n |
|