椭圆的焦距为                                   (  )A.        ...

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问题详情:

椭圆椭圆的焦距为                                   (  )A.        ...的焦距为                                    (   )

A. 椭圆的焦距为                                   (  )A.        ... 第2张             B. 椭圆的焦距为                                   (  )A.        ... 第3张            C. 椭圆的焦距为                                   (  )A.        ... 第4张            D. 椭圆的焦距为                                   (  )A.        ... 第5张

【回答】

B

知识点:圆锥曲线与方程

题型:选择题

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