1 |
1+x |
1 |
1+1 |
1 |
2 |
1 |
1+2 |
1 |
3 |
1 |
2 |
1 |
2011 |
1 |
2012 |
1 |
1+1 |
1 |
2 |
1 |
1+2 |
1 |
3 |
1 |
2013 |
1 |
2 |
1 | ||
1+
|
2 |
3 |
1 |
3 |
1 | ||
1+
|
3 |
4 |
1 |
2012 |
1 | ||
1+
|
1 |
2013 |
1 |
2 |
1 |
3 |
1 |
2 |
1 |
2011 |
1 |
2012 |
b |
a-b |
a |
b-a |
4 |
x-2 |
1 |
x+1 |
2x+1 |
1-x2 |
x2-1 |
x2-2x+1 |
x2-2x |
x-2 |
4 |
x2-4 |
1 |
x+2 |
1 |
2-x |
4ab |
a-b |
4ab |
a+b |
6 |
x-3 |
2x |
x-3 |
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