1 |
2 |
x |
1-x |
OM |
1 |
2 |
OA |
OB |
1 |
2 |
1 |
n |
2 |
n |
n-1 |
n |
|
OM |
1 |
2 |
OA |
OB |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
x |
1-x1 |
1 |
2 |
x2 |
1-x2 |
1 |
2 |
x1 |
1-x1 |
x2 |
1-x2 |
1 |
2 |
x1 |
1-x1 |
x2 |
1-x2 |
1 |
2 |
x1 |
x2 |
x2 |
x1 |
1 |
2 |
1 |
2 |
1 |
n |
2 |
n |
n-1 |
n |
n-1 |
n |
n-2 |
n |
1 |
n |
1 |
n |
n-1 |
n |
2 |
n |
n-2 |
n |
n-1 |
n |
1 |
n |
n-1 |
2 |
2 |
3 |
3 |
2 |
3 |
2 |
3 |
2 |
4 |
9 |
1 |
(Sn+1)(Sn+1+1) |
4 |
(n+1)(n+2) |
1 |
n+1 |
1 |
n+2 |
2 |
3 |
1 |
3 |
1 |
n+2 |
2n |
n+2 |
2n |
n+2 |
n+2 |
n |
4n |
(n+2)2 |
4n |
n2+4n+4 |
4 | ||
n+
|
4 | ||
n+
|
4 |
4+4 |
1 |
2 |
1 |
2 |
4 |
9 |
1 |
2 |
1 |
2 |
1 |
2 |
Sn |
Sn-1 |
1 |
4 |
1 |
sn |
1 |
a1 |
1 |
a2 |
1 |
an |
1 |
3 |
1 |
3 |
1 |
3 |
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