AC |
AD |
1 |
2 |
AB |
AC |
AC |
AB |
AB |
AC |
AD |
1 |
2 |
AB |
AC |
x0+3 |
2 |
y0 |
2 |
AD |
|
AC |
(x0+1)2+y02 |
|
OM |
3 |
5 |
OA |
2 |
5 |
OB |
A.
| B.
| C.
| D.
|
a |
3 |
4 |
b |
1 |
3 |
1 |
2 |
a |
b |
AB |
AC |
AB |
CB |
a |
b |
3 |
a |
b |
a |
3 |
2 |
π |
6 |
π |
3 |
π |
12 |
π |
6 |
π |
2 |
. |
MP |
. |
MN |
. |
PN |
. |
MN |
. |
AN |
. |
NB |
. |
NQ |
. |
AB |
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