a |
2 |
b |
a |
b |
a |
b |
a |
b |
a |
2 |
b |
a |
b |
a |
b |
2 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
a |
b |
b |
-11±
| ||
6 |
-11±
| ||
6 |
OA |
AB |
AC |
0 |
OA |
AB |
CA |
CB |
AB |
BC |
CA |
AB |
BC |
BC |
CA |
CA |
AB |
AB |
BC |
BC |
CA |
CA |
AB |
OA |
OB |
OC |
OA |
AC |
OB |
OC |
A.
| B.(-
| C.(
| D.(
|
PA |
PM |
PA |
PB |
PC |
A.
| B.
| C.-
| D.-
|
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