AD |
BC |
AD |
1 |
2 |
AC |
AB |
BC |
AC |
AB |
AD |
BC |
1 |
2 |
AC |
AB |
AC |
AB |
1 |
2 |
AC |
AB |
AC |
AB |
AD |
BC |
1 |
2 |
5 |
2 |
5 |
2 |
OA |
OB |
OA |
OB |
PQ |
PC |
PQ |
PC |
OA |
OB |
OC |
e1 |
e 2 |
a |
e1 |
e2 |
b |
e1 |
e2 |
a |
b |
A.2 | B.7 | C.-
| D.-
|
a |
b |
a |
b |
1 |
2 |
c |
a |
b |
a |
c |
A.1 | B.
| C.
| D.
|
AB |
d |
d |
AC |
d |
BC |
A.0 | B.-4 | C.4 | D.4或-4 |
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