y+1 |
2x |
1 |
x+y |
x+y |
2x |
2 |
2 |
y+1 |
2x |
1 |
x+y |
x+y |
2x |
y+1 |
2x |
1 |
x+y |
x+y |
2x |
y+1 |
2x |
1 |
2x |
y |
2x |
2 |
2 |
1-
| ||
2(1+
|
2
| ||
2 |
1 |
3 |
x2 |
x-1 |
2x |
x-1 |
x |
x-1 |
x4+2x2-1 |
x5 |
x-1 |
x+2 |
x2-4 |
x2-2x+1 |
1 |
x2-1 |
a2-4 |
a2-4a+4 |
5 |
a-2 |
2 |
a2-2a |
x2-1 |
x2-2x+1 |
x+1 |
x-1 |
1 |
1+x |
2 |
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