a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
1 |
3 |
a |
b |
10 |
3 |
4 |
3 |
1 |
3 |
OA |
OB |
OC |
OB |
BC |
OA |
OA |
OB |
AB |
OC |
a |
b |
a |
b |
A.1 | B.
| C.2 | D.4 |
x2 |
9 |
y2 |
4 |
OA |
OF1 |
OM |
OM |
A.-
| B.
| C.-
| D.-
|
AD |
1 |
3 |
AB |
AE |
1 |
4 |
AC |
AB |
a |
AC |
b |
a |
b |
AP |
a |
b |
a |
b |
A.9 | B.6 | C.5 | D.3 |
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