1 . 直线
过抛物线
的焦点,且交抛物线于
两点,交其准线于
点,已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448671006720/1572448677208064/STEM/bca5363789db4234a5357ab753c41646.png?resizew=56)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb4472579d58b2de3acefad7709e05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
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2016-12-04更新
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442次组卷
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2卷引用:2020届辽宁省锦州市渤大附中、育明高中高三下学期开学摸底考试数学(理)试题