1 | ||
log2(
|
an |
2n |
an-1 |
2n-1 |
an |
2n |
an |
2n |
1 |
n+3 |
1 |
n+3 |
1 |
n+4 |
1 |
n+3 |
1 |
n+4 |
1 |
4 |
1 |
5 |
1 |
5 |
1 |
6 |
1 |
6 |
1 |
7 |
1 |
n+3 |
1 |
n+4 |
1 |
4 |
1 |
n+4 |
n |
4(n+4) |
(n+4) |
n(n+3) |
n+4 |
n(n+3) |
n+4 |
n2+3n |
n+4 |
(n+4)2-5(n+4)+4 |
1 | ||
(n+4)+
|
5 |
4 |
5 |
4 |
Sn |
n |
OC |
OA |
OB |
AB |
AC |
A.1112 | B.1168 | C.1176 | D.1192 |
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