a-1 |
1 |
1×2 |
1 |
1 |
1 |
2 |
1 |
2×3 |
1 |
2 |
1 |
3 |
1 |
3×4 |
1 |
3 |
1 |
4 |
1 |
ab |
1 |
(a+1)(b+1) |
1 |
(a+2)(b+2) |
1 |
(a+2010)(b+2010) |
a-1 |
|
|
1 |
2 |
1 |
2×3 |
1 |
3×4 |
1 |
2011×2012 |
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
2011 |
1 |
2012 |
1 |
2012 |
2011 |
2012 |
a-3 |
n2-6n+9 |
|
2+
|
|
3+
|
|
4+
|
|
m+
|
A.m=10,n=21 | B.m=10,n=99 | C.m=9,n=19 | D.m=9,n=80 |
x-2 |
1 |
2 |
1 | ||
|
y |
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