AB |
BC |
BC |
CA |
CA |
AB |
AB |
BC |
BC |
CA |
CA |
AB |
2π |
3 |
2π |
3 |
2π |
3 |
3 |
2 |
3 |
2 |
a |
b |
c |
a |
b |
c |
0 |
a |
b |
c |
a |
b |
a |
a |
b |
c |
A.2 | B.4 | C.8 | D.16 |
a |
b |
a |
b |
a |
b |
A.
| B.2
| C.3 | D.1 |
a |
3 |
2 |
3 |
2 |
b |
x |
2 |
x |
2 |
π |
2 |
a |
b |
a |
b |
a |
b |
a |
b |
3 |
2 |
OA |
OB |
OA |
OB |
OC |
OA |
OB |
m |
n |
A.
| B.3 | C.
| D.
|
a |
b |
c |
a |
b |
b |
c |
a |
b |
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