问题:
如图,点D为△ABC的边AB的中点,P为△ABC内一点,且满足
AP
=
AD
+
2
5
BC
,则
S△APD
S△ABC
=______.
如图,点D为△ABC的边AB的中点,P为△ABC内一点,且满足
=
+
,则
=______.
AP |
AD |
2 |
5 |
BC |
S△APD |
S△ABC |
参考答案: