| PA |
| PB |
| PC |
| 0 |
| A、4:3:2 |
| B、2:3:4 |
| C、1:1:1 |
| D、3:4:6 |
| PA |
| PB |
| PC |
| 0 |
| PA |
| 3 |
| 2 |
| PB |
| PC |
| 0 |
| CD |
| PA |
| PD |
| 3 |
| 2 |
| AP |
| S△PAB |
| S△PBC |
|
| ||
|
|
| 1 |
| 2 |
| S△PAB |
| S△PAC |
| 2 |
| 3 |
| PA |
| PB |
| PC |
| 0 |
| PA |
| 3 |
| 2 |
| PB |
| PC |
| 0 |
| CD |
| PA |
| PD |
| 3 |
| 2 |
| BP |
| S△PAB |
| S△PBC |
|
| ||
|
|
| 1 |
| 2 |
| S△PAB |
| S△PAC |
| 2 |
| 3 |
科目:高中数学 来源: 题型:
| BM |
| MC |
| AM |
| 1 |
| 1+t |
| AB |
| t |
| 1+t |
| AC |
| AP |
| AB |
| AC |
查看答案和解析>>
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