1 |
(a-1)(b-1) |
1 |
ab |
1 |
(a+1)(b+1) |
1 |
(a+2)(b+2) |
1 |
(a+2010)(b+2010) |
1 |
(a-1)(b-1) |
1 |
ab |
1 |
(a+1)(b+1) |
1 |
(a+2)(b+2) |
1 |
(a+2010)(b+2010) |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
1 |
2012×2013 |
1 |
1 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
1 |
2012 |
1 |
2013 |
1 |
2013 |
2012 |
2013 |
|
|
1 |
3 |
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