Sn |
n+c |
1 |
2 |
8 |
(an+7)•bn |
2bn |
an-2 |
|
|
|
n(1+4n-3) |
2 |
Sn |
n+c |
n(2n-1) |
n+c |
12 |
2+c |
1 |
1+c |
15 |
3+c |
1 |
2 |
1 |
2 |
1 |
2 |
8 |
(an+7)•bn |
1 |
(n+1)n |
1 |
n |
1 |
n+1 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
n |
1 |
n+1 |
n |
n+1 |
2bn |
an-2 |
4n |
4n-5 |
n |
n+1 |
5 |
4n-5 |
1 |
n+1 |
5 |
4n-5 |
1 |
n+1 |
9 |
2 |
5 |
4n-1 |
1 |
n+2 |
5 |
4n-5 |
1 |
n+1 |
-20 |
(4n-1)(4n-5) |
1 |
(n+2)(n+1) |
A.
| B.-
| C.±
| D.-
|
A.13 | B.14 | C.15 | D.16 |
MP |
MN |
PM |
PN |
NM |
NP |
A.12 | B.18 | C.24 | D.36 |
S12 |
12 |
S10 |
10 |
A.-2011 | B.-2012 | C.-2010 | D.-2013 |
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