已知椭圆 x225+y216 =1上一点P到椭圆的一个焦点的距离为3，则点P到另一个焦点的距离为

题干

已知椭圆 25

x

2

+16

y

2

=1上一点P到椭圆的一个焦点的距离为3，则点P到另一个焦点的距离为（）

A：2

B：3

C：5

D：7

上一题下一题 0.0难度选择题更新时间:2018-02-13 07:04:16

答案(点此获取答案解析）

D

同类题2

阅读下面的材料, 然后根据材料内容回答所提问题。

I'm Simon from America. I am twelve and I'm at Wllize junior School(初中). This month We have two school events(事件). One is an English party and one is a school trip. Next month, there will be five events.

Here is a list.

Date	Event
May12	School Day
May15-17	English speech Contest 3:00pm--4:30pm
May18	Volleyball game 2:00--3:30pm
May19	Art Festival 19:00am--5:00pm
May24	Music party 6:00--9:00pm

I'm in the school volleyball club. 1 also like singing. 1 want to play in the volleyball game and sing at the music party. 1'm very happy.

题干

答案(点此获取答案解析）

同类题1

同类题2

同类题3

同类题4

同类题5