3 |
3 |
a |
b |
a |
b |
3 |
3 |
3 |
π |
3 |
π |
4 |
3 |
3 |
3 |
3 |
(
| ||
2 |
| ||
2 |
3 |
1-
| ||
2 |
| ||
2 |
| ||
2 |
| ||
2 |
π |
3 |
2π |
3 |
π |
6 |
π |
3 |
a |
b |
(
|
8+8cosβ |
β |
2 |
β |
2 |
1 |
2 |
π |
6 |
3 |
1 |
2 |
1 |
3 |
a |
b |
3 |
1 |
2011 |
A.-4 | B.2 | C.-2 | D.0 |
f(x1)-f(x2) |
x1-x2 |
A.-2≤t≤2 | B.t≤
| ||||
C.-
| D.t≤-2或t=0或t≥2 |
1 |
e |
A.f(x+1)=f(x) | B.f(x+2)=f(x) | C.f(x+3)=f(x) | D.f(x+4)=f(x) |
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