AD |
2 |
3 |
AB |
AP |
AD |
1 |
4 |
BC |
S△APD |
S△ABC |
A.
| B.
| C.
| D.
|
AP |
AD |
DP |
AP |
AD |
1 |
4 |
BC |
DP |
1 |
4 |
BC |
三角形ADP的高 |
三角形ABC |
AD |
AB |
2 |
3 |
S△APD |
S△ABC |
2 |
3 |
1 |
4 |
1 |
6 |
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 |
A.18 | B.54 | C.64 | D.72 |
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