1 |
2 |
1 |
3 |
1 |
6 |
1 |
3 |
1 |
4 |
1 |
12 |
1 |
4 |
1 |
5 |
1 |
20 |
1 |
6 |
1 |
2 |
1 |
3 |
1 |
12 |
1 |
3 |
1 |
4 |
1 |
20 |
1 |
4 |
1 |
5 |
2 |
(x+1)(x+3) |
2 |
(x+3)(x+5) |
2 |
(x+5)(x+7) |
2 |
(x+2005)(x+2007) |
1 |
n(n+1) |
1 |
n |
1 |
n+1 |
2 |
(x+1)(x+3) |
2 |
(x+3)(x+5) |
2 |
(x+5)(x+7) |
2 |
(x+2005)(x+2007) |
1 |
x+1 |
1 |
x+3 |
1 |
x+3 |
1 |
x+5 |
1 |
x+5 |
1 |
x+7 |
1 |
x+2005 |
1 |
x+2007 |
1 |
x+1 |
1 |
x+2007 |
x+2007-x-1 |
(x+1)(x+2007) |
2006 |
(x+1)(x+2007) |
1 |
n(n+1) |
1 |
n |
1 |
n+1 |
2 |
(x+1)(x+3) |
2 |
(x+3)(x+5) |
2 |
(x+5)(x+7) |
2 |
(x+2005)(x+2007) |
1 |
x+1 |
1 |
x+3 |
1 |
x+3 |
1 |
x+5 |
1 |
x+5 |
1 |
x+7 |
1 |
x+2005 |
1 |
x+2007 |
1 |
x+1 |
1 |
x+2007 |
x+2007-x-1 |
(x+1)(x+2007) |
2006 |
(x+1)(x+2007) |