3 |
π |
3 |
α |
2 |
1 |
2 |
3 |
π |
2 |
3 |
1 |
2 |
| ||
2 |
3 |
π |
3 |
2π |
2 |
π |
2 |
π |
3 |
π |
12 |
π |
3 |
3 |
π |
3 |
α |
2 |
1 |
2 |
3 |
3 |
π |
3 |
1 |
2 |
3 |
π |
3 |
1 |
2 |
π |
3 |
π |
3 |
4π |
3 |
π |
3 |
7π |
6 |
5π |
6 |
5π |
6 |
1 |
2 |
π |
2 |
π |
3 |
2π |
3 |
π |
3 |
π |
3 |
| ||
2 |
π |
3 |
| ||
2 |
3 |
π |
4 |
3 |
8 |
7 |
8 |
2 |
1 |
2 |
1 |
2 |
π |
3 |
1 |
2 |
A.①②③ | B.①④ | C.②③ | D.以上都不对 |
π |
3 |
2 |
3 |
π |
3 |
2π |
3 |
1 |
4 |
π |
8 |
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