| e1 |
| e2 |
| a |
| e1 |
| e2 |
| b |
| e1 |
| e2 |
| π |
| 3 |
| π |
| 3 |
| a |
| b |
| a |
| b |
| a |
| e1 |
| e2 |
| b |
| e1 |
| e2 |
| ||||
|
|
| e1 |
| e2 |
| e1 |
| e2 |
| e1 |
| e2 |
| 1 |
| 2 |
| a |
(2
|
| 4+4×1×1×cos60°+1 |
| 7 |
| b |
(3
|
| 9-12×1×1×cos60°+4 |
| 7 |
| a |
| b |
| e1 |
| e2 |
| e1 |
| e2 |
| e1 |
| e1 |
| e2 |
| e2 |
| 1 |
| 2 |
| 7 |
| 2 |
| a |
| e1 |
| e2 |
| b |
| e1 |
| e2 |
| ||||
|
|
| ||||
|
| 1 |
| 2 |
| π |
| 3 |
| π |
| 3 |
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