AP |
2 |
5 |
AB |
1 |
5 |
AC |
AQ |
2 |
3 |
AB |
1 |
4 |
AC |
A.
| B.
| C.
| D.
|
EF |
HG |
AD |
3 |
4 |
AB |
AM |
AD |
3 |
5 |
BC |
A.
| B.
| C.
| D.
|
a |
b |
c |
a |
b |
c |
0 |
a |
b |
c |
b |
c |
a |
A1A3 |
A1A2 |
A1A4 |
A1A2 |
1 |
λ |
1 |
μ |
A.C可能是线段AB的中点 |
B.D可能是线段AB的中点 |
C.C,D可能同时在线段AB上 |
D.C,D不可能同时在线段AB的延长线上 |
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