2π |
3 |
π |
6 |
π |
2 |
π |
2 |
1 |
2 |
5π |
2 |
1 |
2 |
θ |
2 |
θ |
2 |
π |
4 |
π |
4 |
θ |
2 |
1 |
2 |
π |
4 |
π |
2 |
θ |
2 |
θ2 |
4 |
θ2 |
2 |
θ2 |
4 |
θ2 |
4 |
1 |
2 |
5π |
2 |
1 |
2 |
2 |
π |
2 |
2 |
θ |
2 |
π |
4 |
1 |
2 |
π |
2 |
1 |
2 |
1 |
2 |
1 |
4 |
1 |
2 |
π |
8 |
π |
8 |
3 |
8 |
5 |
8 |
7π |
8 |
1 |
4 |
1 |
2 |
1 |
2 |
5 |
2 |
1 |
2 |
3 |
4 |
3 |
2 |
π |
2 |
2 |
3 |
2 |
A.a<0,△<0 | B.a<0,△≤0 | C.a>0,△≥0 | D.a>0,△>0 |
∫ | 21 |
A.2 | B.
| C.6 | D.7 |
A.2-2
| B.m<2 | ||||
C.m<2+2
| D.m≥2+2
|
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