1 |
2 |
1 |
1+xn |
1 |
6 |
2 |
5 |
1 |
2 |
1 |
1+xn |
2 |
3 |
3 |
5 |
5 |
8 |
8 |
13 |
13 |
21 |
1 |
1+x2k+1 |
1 |
1+x2k+3 |
x2k+3-x2k+1 |
(1+x2k+1)(1+x2k+3) |
x2k-x2k+2 |
(1+x2k)(1+x2k+1)(1+x2k+2)(1+x2k+3) |
1 |
6 |
1 |
1+xn-1 |
1 |
2 |
1 |
1+xn-1 |
5 |
2 |
1 |
1+xn |
1 |
1+xn-1 |
|xn-xn-1| |
(1+xn)(1+xn-1) |
2 |
5 |
2 |
5 |
2 |
5 |
1 |
6 |
2 |
5 |
1 |
3 |
1 |
3 |
7 |
8 |
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