| a |
| c |
| 1 |
| 2 |
| 1 |
| a |
| 1 |
| c |
| 2 |
| b |
| π |
| 3 |
| AB |
| AB |
| AC |
| BA |
| BC |
| CA |
| CB |
| 4 |
| 5 |
| a+c |
| 2 |
| a |
| c |
| 1 |
| 3 |
| c |
| a |
| 1 |
| 3 |
| a |
| c |
| 1 |
| 2 |
| 1 |
| a |
| 1 |
| c |
| 1 |
| 2b |
| 1 |
| a |
| 1 |
| c |
| 1 |
| 2b |
| a |
| c |
| c |
| a |
| a2+c2-b2 |
| 2ac |
a2+c2-(
| ||
| 2ac |
| 3(a2+c2)-2ac |
| 8ac |
| 6ac-2ac |
| 8ac |
| 1 |
| 2 |
| AB |
| AB |
| AC |
| BA |
| BC |
| CA |
| CB |
| a+c |
| 2 |
| a |
| c |
| 1 |
| 3 |
| c |
| a |
| 1 |
| 3 |
| a |
| c |
| 1 |
| 3 |
| 1 |
| a |
| 1 |
| c |
| 1 |
| 2b |
| 1 |
| a |
| 1 |
| c |
| 1 |
| 2b |
| a |
| c |
| c |
| a |
| 1 |
| 2b |
|
| 2 |
| b |
| a2+c2-b2 |
| 2ac |
a2+c2-(
| ||
| 2ac |
| 3(a2+c2)-2ac |
| 8ac |
| 6ac-2ac |
| 8ac |
| 1 |
| 2 |
| π |
| 3 |
| AB |
| AB |
| AC |
| BA |
| BC |
| CA |
| CB |
| a+c |
| 2 |
| c |
| a |
| 5 |
| 3 |
| c |
| b |
| 5 |
| 4 |
| b |
| c |
| 4 |
| 5 |
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