GA |
GB |
GC |
O |
GA |
GB |
GC |
0 |
GA |
GB |
GC |
GA |
GB |
GC |
0 |
GB |
GC |
GB |
GC |
0 |
GB |
GC |
0 |
GB |
GC |
|
a2+b2-c2 |
2ab |
4+9-16 |
2×2×3 |
1 |
4 |
1 |
4 |
a |
b |
a |
b |
a |
b |
a |
b |
A.(2,1) | B.(2,2) | C.(2,
| D.(2,
|
η |
AM |
AN |
AN |
AB |
AC |
A.
| B.
| C.
| D.1 |
AP |
AB |
AQ |
AC |
BQ |
CP |
3 |
2 |
A.
| B.
| C.
| D.
|
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