2 |
3 |
π |
6 |
2 |
3 |
π |
6 |
2 |
3 |
2 |
2π |
3 |
2π |
3 |
π |
6 |
T |
4 |
π |
6 |
2π |
3 |
π |
6 |
π |
6 |
π |
2 |
2π |
3 |
2π |
3 |
π |
6 |
2π |
3 |
π |
3 |
π |
6 |
π |
3 |
π |
3 |
2π |
3 |
π |
6 |
π |
3 |
π |
6 |
|
2π |
3 |
π |
6 |
2π |
3 |
2 |
2π |
3 |
| ||
2 |
2π |
3 |
π |
4 |
3π |
4 |
5π |
12 |
π |
12 |
π |
6 |
2 |
| ||
2 |
π |
4 |
3π |
4 |
2 |
5π |
12 |
π |
12 |
π |
4 |
3π |
4 |
2π |
3 |
|
|
A.{x|x>-1} | B.{x|x<1} |
C.{x|0<x<1或x<-1} | D.{x|-1<x<1} |
1 |
22x+m•2x+1 |
A.(-2,2) | B.(-∞,-2)∪(2,+∞) | C.(0,2) | D.(-2,+∞) |
15 |
2 |
A.
| B.-
| C.
| D.-
|
A.m<1 | B.m≤1 | C.m≤
| D.m<
|
-2x+a |
2x+1 |
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