an |
n+1 |
| ||
2 |
an |
2n |
an-1 |
2n-1 |
an |
2n |
an |
2n |
1 |
n |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
2n-1 |
1 |
2n |
1 |
2 |
1 |
3 |
1 |
2n |
1 |
2 |
1 |
4 |
1 |
2n |
1 |
n+1 |
1 |
n+2 |
1 |
2n |
1 |
n+1 |
1 |
n+2 |
1 |
2n |
| ||
2 |
x |
x+1 |
1 |
x+1 |
1 |
(x+1)2 |
x |
(x+1)2 |
x |
x+1 |
1 |
n |
n+1 |
n |
1 |
n+1 |
1 |
n+1 |
1 |
n+2 |
1 |
n+3 |
1 |
2n |
1 |
n+1 |
1 |
n+2 |
1 |
2n |
1 |
n+1 |
1 |
n+2 |
1 |
2n |
| ||
2 |
A.1024 | B.1025 | C.2048 | D.2049 |
π |
2 |
π |
2 |
Sn |
(n+1)•2n-1 |
A.(2n-1)2 | B.
| C.4n-1 | D.
|
1 | ||||
|
A.98 | B.99 | C.100 | D.101 |
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