AP |
2 |
5 |
AB |
1 |
5 |
AC |
AQ |
2 |
3 |
AB |
1 |
4 |
AC |
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 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
i |
j |
b |
i |
j |
2 |
AB |
a |
BC |
b |
AC |
c |
a |
b |
c |
A.0 | B.
| C.2 | D.4 |
a |
b |
a |
b |
a |
b |
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