| ab |
| a+b |
| 1 |
| 6 |
| bc |
| b+c |
| 1 |
| 8 |
| ca |
| c+a |
| 1 |
| 10 |
∴
| a+b |
| ab |
| b+c |
| bc |
| c+a |
| ca |
∴
|
∴
| 1 |
| a |
| 1 |
| b |
| 1 |
| c |
∴
| 1 |
| a |
| 1 |
| b |
| 1 |
| c |
| bc+ac+ab |
| abc |
∴
| abc |
| ab+bc+ca |
| 1 |
| 12 |
| ab |
| a+b |
| 1 |
| 6 |
| bc |
| b+c |
| 1 |
| 8 |
| ca |
| c+a |
| 1 |
| 10 |
| abc |
| ab+bc+ca |
| ab |
| a+b |
| 1 |
| 6 |
| bc |
| b+c |
| 1 |
| 8 |
| ca |
| c+a |
| 1 |
| 10 |
| a+b |
| ab |
| b+c |
| bc |
| c+a |
| ca |
|
| 1 |
| a |
| 1 |
| b |
| 1 |
| c |
| 1 |
| a |
| 1 |
| b |
| 1 |
| c |
| bc+ac+ab |
| abc |
| abc |
| ab+bc+ca |
| 1 |
| 12 |