x-a |
x-1 |
2 |
2x-2 |
x |
x-多 |
m2 |
x-多 |
3a-1 |
x+1 |
1 |
3 |
1 |
3 |
1 |
x |
1 |
2 |
1 |
2 |
1 |
x |
1 |
3 |
1 |
3 |
1 |
x |
1 |
t |
1 |
t |
1 |
x-1 |
1 |
t-1 |
t |
t-1 |
t |
t-1 |
2x+a |
x-2 |
1 |
x+3 |
a |
x+3 |
r |
x |
r |
c |
r |
c |
r |
x |
r |
c |
-r |
x |
-r |
c |
r |
c |
2 |
x |
2 |
c |
2 |
c |
k |
x |
k |
c |
k |
c |
m |
x |
m |
c |
2 |
x-r |
2 |
a-r |
2x |
x-2 |
k |
x-1 |
1 |
3 |
1 |
3 |
x+1 |
x-1 |
mx |
x+3 |
ax |
1-ax |
2 |
ax-1 |