如 |
4 |
如 |
4 |
4 |
7 |
1 |
5 |
如 |
7 |
9 |
5 |
1 |
2 |
1 |
2 |
5 |
4 |
4 |
5 |
1 |
2 |
如 |
4 |
1 |
如 |
1 |
2 |
5 |
9 |
7 |
12 |
1 |
2 |
3 |
2 |
2 |
9 |
2 |
3 |
1 |
1×2 |
1 |
2 |
1 |
2×3 |
1 |
2 |
1 |
3 |
1 |
3×4 |
1 |
3 |
1 |
4 |
1 |
5×6 |
1 |
5 |
1 |
6 |
1 |
5 |
1 |
6 |
1 |
n(n+1) |
1 |
n |
1 |
n+1 |
1 |
n |
1 |
n+1 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
9×10 |
i |
6 |
3 |
4 |
i |
i2 |
h |
4 |
h |
4 |
4 |
h |
i |
h |
3 |
h |
9 |
h |
i |
3 |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
5 |
1 |
2010 |