1-x2 |
x |
1 |
x |
x2 |
1+x |
1 |
n |
1-x2 |
x |
2 |
x |
-2x×x-(1-x2) |
x2 |
(x-1)2 |
x2 |
1 |
x |
1 |
x |
x2-1 |
x |
1-x2 |
x |
1-x2 |
x |
1 |
x |
x2-1 |
x |
1 |
x |
x2-1 |
x |
(x2-1)2 |
x2 |
x+1 |
x2 |
x+1 |
1 |
ln2 |
1 |
n |
1 |
n |
1 | ||
ln(1+
|
1 |
n |
1 |
ln(1+x) |
1 |
x |
1 |
ln(1+x) |
1 |
x |
ln2(x+1)-
| ||
x2ln2(1+x) |
1 |
ln2 |
1 |
ln2 |
A.2(1+0.3)5 | B.2(1+0.03)5 | C.2(1+0.3)4 | D.2(1+0.03)4 |
a |
x-4 |
5 |
4.5828 |
lg1.09 |
lg1.01 |
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