1 |
4 |
(n-1)an |
n-an |
1 |
an+1 |
sin3 |
cosbn•cosbn+1 |
1 |
4 |
(n-1)an |
n-an |
(2-1)a2 |
2-a2 |
| ||
2-
|
1 |
7 |
(3-1)a3 |
3-a3 |
2×
| ||
3-
|
1 |
10 |
1 |
7 |
1 |
10 |
1 |
an+1 |
n-an |
(n-1)an |
n(1-an) |
(n-1)an |
n |
n-1 |
1 |
an |
n |
n-1 |
n+1 |
n |
sin3 |
cosbn•cosbn+1 |
sin(3n+3-3n) |
cos(3n+3)•cos3n |
2n-1 |
2n |
321 |
64 |
A.13 | B.10 | C.9 | D.6 |
1 |
a1 |
1 |
a2 |
1 |
a3 |
1 |
an |
s1+s2+…+sn |
n |
A.2008 | B.2009 | C.2010 | D.2011 |
2x+3 |
3x |
1 |
an |
1 |
an-1an |
m-2002 |
2 |
1 |
(n+1)m+1 |
1 |
(n+1)m+1 |
1 |
22 |
1 |
23 |
1 |
24 |
1 |
32 |
1 |
33 |
1 |
34 |
1 |
(n+1)2 |
1 |
(n+1)3 |
1 |
(n+1)4 |
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