1 |
x |
1 |
c |
1 |
c |
2 |
x |
2 |
c |
2 |
c |
3 |
x |
3 |
c |
3 |
c |
m |
x |
m |
c |
2 |
x-1 |
2 |
a-1 |
m |
x |
m |
c |
m |
c |
2 |
x-1 |
2 |
a-1 |
2 |
x-1 |
2 |
a-1 |
2 |
a-1 |
2 |
a-1 |
a+1 |
a-1 |
m |
c |
a+1 |
a-1 |
m-1 |
x+2 |
1 |
x+2 |
3 |
x+2 |
a |
x+2 |
a |
x+1 |
2a-x-1 |
x2+x |
1 |
x-1 |
1 |
x2-1 |
A.1 | B.-1 | C.±1 | D.0 |
1-x |
2x-1 |
4 |
2-4x |
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