名校
1 . 椭圆
的焦点为
,点
在椭圆上.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
____________ .(用数字填写)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff86e85e4d467091f2fa73018e23a1ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26ce8a486d789c2e138296b62747059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
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2018-01-24更新
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1252次组卷
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4卷引用:山东省烟台市莱州市第一中学2021-2022学年高二上学期12月月考数学试题