1 |
x |
1 |
2 |
1 |
2 |
1 |
x |
1 |
3 |
1 |
3 |
1 |
x |
1 |
4 |
1 |
4 |
1 |
x |
1 |
5 |
1 |
x |
1 |
a |
y+2 |
y+1 |
10 |
3 |
1 |
x |
1 |
a |
1 |
x |
1 |
5 |
1 |
5 |
1 |
5 |
1 |
x |
1 |
a |
1 |
a |
1 |
a |
y+2 |
y+1 |
10 |
3 |
y+1+1 |
y+1 |
10 |
3 |
1 |
y+1 |
1 |
3 |
1 |
y+1 |
1 |
3 |
1 |
3 |
2 |
3 |
x+k |
x-1 |
x |
1-x |
x |
2x-5 |
a |
5-2x |
3 |
x-2 |
x |
2-x |
x |
x+3 |
2 |
x |
2-x |
3-x |
1 |
2 |
2 |
x-3 |
x |
x-2 |
6 |
x+2 |
3-x |
x-4 |
1 |
4-x |
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