AP |
2 |
5 |
AB |
1 |
5 |
AC |
AQ |
2 |
3 |
AB |
1 |
4 |
AC |
A.
| B.
| C.
| D.
|
AM |
2 |
5 |
AB |
AN |
1 |
5 |
AC |
AP |
AM |
AN |
△ABP的面积 |
△ABC的面积 |
|
| ||
|
|
1 |
5 |
△ABQ的面积 |
△ABC的面积 |
1 |
4 |
△ABP的面积 |
△ABQ的面积 |
4 |
5 |
4 |
5 |
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 |
A.10
| B.10 N | C.20 N | D.10
|
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