1 |
2a1a2 |
1 |
22a2a3 |
1 |
2nanan+1 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
n(n+1) |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2n-1 |
n |
2n |
1 |
2 |
1 |
2n-1 |
n |
2n |
n(n+1) |
2 |
1 |
2 |
1 |
2nanan+1 |
1 | ||
|
1 | ||
|
1 |
2a1a2 |
1 |
22a2a3 |
1 |
2nanan+1 |
1 | ||
|
1 | ||
|
1 | ||
|
1 | ||
|
1 | ||
|
1 | ||
|
1 | ||
|
1 | ||
|
1 |
2a1a2 |
1 |
22a2a3 |
1 |
2nanan+1 |
nπ |
2 |
nπ |
2 |
3n-1 |
n+1 |
1 |
a1a2 |
1 |
a2a3 |
1 |
anan+1 |
kn+b |
a1an+1 |
a | 21 |
a | 2n+1 |
1 |
n(n+1) |
9 |
10 |
x |
n+1 |
y |
n |
A.36 | B.45 | C.50 | D.55 |
1 |
f(n)+2 |
A.
| B.
| C.
| D.
|
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