1 |
2 |
x-y |
1-xy |
1 |
2 |
2an | ||
1+
|
1 |
f(a1) |
1 |
f(a2) |
1 |
f(an) |
m-8 |
4 |
1 |
2 |
x+y |
1+xy |
2an | ||
1+
|
an+an |
1+an•an |
f(an+1) |
f(an) |
1 |
2 |
1 |
22 |
1 |
2n-1 |
1-
| ||
1-
|
1 |
2n-1 |
m-8 |
4 |
1 |
2n-1 |
m |
4 |
4 |
2n-1 |
4 |
2n-1 |
m-8 |
4 |
a-2x |
1+a•2x |
1 |
x |
A.①③ | B.②③ | C.③④ | D.②④ |
2 |
π |
2 |
3 |
2 |
A.b<a<c | B.b<c<a | C.a<c<b | D.c<a<b |
x+π |
2 |
A.f(x)与g(x)都是奇函数 |
B.f(x)与g(x)都是偶函数 |
C.f(x)是奇函数,g(x)是偶函数 |
D.f(x)是偶函数,g(x)是奇函数 |
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