4 |
x |
4 |
cosx |
π |
2 |
x2+13 | ||
|
1 |
2 |
π |
2 |
4 |
x |
4 |
x |
4 |
cosx |
π |
2 |
x2+13 | ||
|
x2+9 |
4 | ||
|
x2+9 |
x2+9 |
x2+13 | ||
|
1 |
3 |
1 |
2 |
5 |
2 |
1 |
2 |
π |
2 |
1 |
2 |
1 |
2 |
π |
2 |
1 |
2 |
|
sn |
(n+18)Sn+1 |
A.1个 | B.2个 | C.3个 | D.4个 |
ax |
1+x2 |
1 |
2 |
1 |
2 |
1 |
2 |
x1+x2 |
2 |
A.f1(x)=x
| B.f2(x)=x2 | C.f3(x)=2x | D.f4(x)=log
|
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