| S△PAD | S△PBC |
| AD |
| DE |
| PC |
| BC |
| AD |
| DE |
| BC |
| CP |
| S△PAD |
| S△PBC |
| DH |
| HC |
| 4 |
| 3 |
| AD |
| DE |
| PC |
| BC |
| AD |
| DE |
| BC |
| CP |
| AD |
| CM |
| DP |
| PC |
| 3 |
| CM |
| x |
| 5-x |
| 15-3x |
| x |
| AD |
| BM |
| DE |
| BE |
| 3 | ||
6+
|
| DE |
| 5-DE |
| 5x |
| 2x+5 |
| 3 | ||
|
| 5-x |
| 6 |
| 3 | ||
|
| 6 |
| 5-x |
| 5 |
| 2 |
| 5 |
| 2 |
| S△PAD |
| S△PBC |
| AD•PN |
| BC•PM |
| 3 |
| 6 |
| DP |
| PC |
| 1 |
| 2 |
| x |
| 5-x |
| x |
| 10-2x |
| S△PAD |
| S△PBC |
| AD•PN |
| BC•PM |
| 3 |
| 6 |
| DP |
| PC |
| 1 |
| 2 |
| x |
| x-5 |
| x |
| 2x-10 |
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