BC |
a |
AB |
c |
AC |
b |
a |
b |
b |
c |
c |
a |
BC |
a |
AB |
c |
AC |
b |
a |
b |
c |
a |
b |
π |
3 |
b |
c |
π |
3 |
a |
c |
2π |
3 |
a |
b |
1 |
2 |
b |
c |
1 |
2 |
c |
a |
1 |
2 |
a |
b |
b |
c |
c |
a |
1 |
2 |
1 |
2 |
a |
b |
a |
b |
a |
b |
a |
b |
y2 |
3 |
OA |
OB |
OB |
AM |
| ||
2 |
1 |
2 |
5 |
2 |
OP |
QP |
A.[-1,0] | B.[-1,2] | C.[0,3] | D.[-1,
|
a |
3 |
b |
a |
b |
π |
6 |
π |
3 |
a |
b |
a |
b |
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