1 |
x-2 |
x |
x+a |
3 |
2 |
1 |
x-2 |
5 |
2 |
5 |
2 |
5 |
2 |
1 |
x-2 |
5 |
2 |
x |
x+a |
3 |
2 |
2.5 |
2.5+a |
3 |
2 |
25 |
6 |
25 |
6 |
25 |
6 |
2.5 |
2.5+a |
3 |
2 |
25 |
6 |
25 |
6 |
2 |
x-2 |
x+m |
2-x |
5 |
x-2 |
3 |
x |
口 |
x+口 |
2 |
x-口 |
4 |
x2-口 |
口 |
x-2 |
x-口 |
2-x |
5 |
x+3 |
2 |
x |
2x+9 |
3x-9 |
4x-7 |
x-3 |
2 |
3 |
x |
3x-1 |
1 |
9x-3 |
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