a |
b |
c |
a |
b |
c |
b |
c |
a |
a |
b |
a |
c |
a |
b |
c |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
c |
a |
b |
c |
b |
c |
a |
a |
b |
c |
a |
b |
a |
c |
a |
b |
c |
a |
b |
c |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
π |
3 |
π |
12 |
π |
3 |
5π |
12 |
π |
12 |
A.①② | B.①③ | C.②③ | D.②④ |
AB |
CD |
AB |
CD |
π |
6 |
π |
3 |
A.1 | B.2 | C.3 | D.4 |
2 |
α |
2 |
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