1 |
1×2 |
1 |
2 |
1 |
2×3 |
1 |
2 |
1 |
3 |
1 |
3×4 |
1 |
3 |
1 |
4 |
a |
1×2 |
a |
2×3 |
a |
3×4 |
a |
2010×2011 |
1 |
1×2 |
1 |
2 |
1 |
2×3 |
1 |
2 |
1 |
3 |
1 |
3×4 |
1 |
3 |
1 |
4 |
1 |
n(n-1) |
1 |
n |
1 |
n+1 |
a |
1×2 |
a |
2×3 |
a |
3×4 |
a |
2010×2011 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
2010×2011 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
2010 |
1 |
2011 |
1 |
2011 |
2010 |
2011 |
2010 |
2011 |
A.2000 | B.2004 | C.2006 | D.2008 |
A.-9 | B.9 | C.18 | D.-18 |
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