OP |
OA |
OB |
MA |
MB |
OM |
OM |
OM |
OP |
OP |
MA |
MB |
MA |
MB |
OM |
| ||||
|
|
(-3,5)•(1,-1) | ||||
|
4
| ||
17 |
4
| ||
17 |
OA |
a |
OB |
b |
OC |
c |
OH |
h |
a |
b |
c |
h |
AH |
BC |
h |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
AP |
2 |
5 |
AB |
1 |
5 |
AC |
AQ |
2 |
3 |
AB |
1 |
4 |
AC |
A.
| B.
| C.
| D.
|
CB |
a |
CA |
b |
a |
b |
a |
b |
AD |
A.
| B.
| C.
| D.
|
BP |
BA |
AC |
BA |
DM |
DN |
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