1 |
x-2 |
1-x |
2-x |
A.1-(1-x)=1 | B.1+(1-x)=1 | C.1-(1-x)=x-2 | D.1+(1-x)=x-2 |
2x |
x-2 |
x+1 |
x |
5x |
x+1 |
x |
x-2 |
1-x2 |
x2-5x+6 |
2x |
x-3 |
x+1 |
x-1 |
4 |
x2-1 |
2 |
x+1 |
3 |
x-1 |
6 |
x2-1 |
x-4 |
x-5 |
x-5 |
x-6 |
x-7 |
x-8 |
x-8 |
x-9 |
3 |
x |
6 |
x-1 |
A.
| B.-
| C.1 | D.-1 |
a |
x-a |
m |
x |
n |
x+1 |
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