1:1  11-09[理·数学]李老师教大家利用图形找出条件间的内在联系
推荐理由：关于方程确定的问题往往要特别关注待定系数法的使用，充分利用图形找出条件间的内在联系简化计算是这类问题的关键。 讲解人：http://www.jiandan100.cn/teacher/304f1e13a6194c10b1481930926586f9/ ，数学高级教师，北京市中青年骨干教师。 题面：（2012年山东）已知椭圆C :  的离心率为．双曲线的渐近线与椭圆C有四个交点，以这四个焦点为顶点的四边形的面积为16，则椭圆C的方程为（ ）．
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 跟帖分享你的答案，即可看到正确答案和解析！别忘了回帖后再点进来查看答案哦~待定系数法是确定方程的常用方法，希望大家引起重视
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沙发#
发布于：2012-11-10 20:13
跟帖分享你的答案，即可看到正确答案和解析
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地板#
发布于：2012-11-10 21:47
ccccccccccccccccc
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4楼#
发布于：2012-11-10 23:37
d
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5楼#
发布于：2012-11-11 15:09
12
许许多2222222222222多 |
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6楼#
发布于：2012-11-11 20:41
d吧………………………………
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7楼#
发布于：2012-11-11 20:55
d????????????????????????????
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8楼#
发布于：2012-11-11 21:48
CCCCCCCCCCCCCCCCCCCCCCCCCCCC
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9楼#
发布于：2012-11-12 23:44
111111111111
ccccccccccccc |
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