AB |
1 |
2 |
BC |
1 |
2 |
BD |
A.
| B.
| C.
| D.
|
1 |
2 |
BC |
BM |
1 |
2 |
BD |
MC |
AB |
1 |
2 |
BC |
1 |
2 |
BD |
AB |
BM |
MC |
AM |
MC |
AC |
AD |
2 |
3 |
AB |
AP |
AD |
1 |
4 |
BC |
S△APD |
S△ABC |
A.
| B.
| C.
| D.
|
AB |
1 |
2 |
DC |
AD |
BC |
OA |
OB |
OC |
AP |
PB |
AQ |
QC |
pq |
p+q |
A.1 | B.3 | C.
| D.2 |
OA |
OB |
AB |
OC |
OA |
OB |
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