a |
x |
2 |
x |
2 |
π |
4 |
b |
2 |
x |
2 |
π |
4 |
x |
2 |
π |
4 |
a |
b |
a |
b |
2 |
x |
2 |
x |
2 |
π |
4 |
x |
2 |
π |
4 |
x |
2 |
π |
4 |
2 |
x |
2 |
| ||
2 |
x |
2 |
| ||
2 |
x |
2 |
1+tan
| ||
1-tan
|
tan
| ||
1+tan
|
x |
2 |
x |
2 |
x |
2 |
π |
2 |
π |
2 |
a |
b |
a |
b |
1 |
2 |
a |
b |
A1A3 |
A3A5 |
A.
| B.-
| C.
| D.-
|
e1 |
e2 |
e1 |
e2 |
e1 |
e2 |
A.-8 | B.
| C.-
| D.8 |
2 |
AB |
c |
BC |
a |
CA |
b |
a |
b |
b |
c |
c |
a |
A.0 | B.1 | C.3 | D.-3 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
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