a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
1 |
2 |
a |
b |
a |
b |
a |
b |
a |
b |
(
|
|
1-2+4 |
3 |
OD |
AB |
2
| ||
下 |
| ||
下 |
AC |
AO |
AC |
AO |
PA |
PB |
PA |
PB |
A.2
| B.
| C.2 | D.1 |
AC |
CB |
OC |
| ||||
1+λ |
OA |
OB |
OA |
OB |
OC |
AB |
OA |
OB |
3 |
OP1 |
AB |
OP2 |
AB |
OPn-1 |
AB |
a |
b |
c |
a |
b |
c |
0 |
a |
c |
a |
c |
b |
A.4 | B.8 | C.4
| D.2
|
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