1+x |
1-x |
1+x |
1-x |
1+x |
1-x |
1-x |
1+x |
1+x |
1-x |
1+x |
1-x |
1+x1 |
1-x1 |
1+x2 |
1-x2 |
1+x1 |
1-x1 |
1+x2 |
1-x2 |
1+x1 |
1-x1 |
1+x2 |
1-x2 |
2( x1-x2) |
(1-x1)(1-x2) |
1+x1 |
1-x2 |
1+x2 |
1-x2 |
1+x1 |
1-x2 |
1+x2 |
1-x2 |
1+x1 |
1-x1 |
1+x2 |
1-x2 |
4 |
x |
lg(x-1) | ||
|
1 |
2 |
ax+b |
x2+1 |
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