皮皮学，免费搜题
登录
搜题
【简答题】
已知椭圆 x 2 25 + y 2 16 =1 内有两点A（1，3），B（3，0），P为椭圆上一点，则|PA|+|PB|的最大值为______．
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In moral matters, parents should______.
A.
observe the rules themselves
B.
be aware of the marked difference between adults and children
C.
forbid things which have no foundation in morality
D.
consistently ensure the security of their children
【简答题】In moral matters, parents should ________. A) observe the rules themselves B) be aware of the marked difference between s and children C) forbid things which have no foundation in morality D) con...
【单选题】In moral matters, parents should ______.
A.
observe the roles themselves
B.
be aware of the marked difference between adults and children
C.
forbid things which have no foundation in morality
D.
consistently ensure the security of their children
【单选题】In moral matters, parents should ______ .
A.
observe the roles themselves
B.
be aware of the marked difference between adults and children
C.
forbid things which have no foundation in morality
D.
satisfy their children's needs
相关题目：