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3.3习题3.3(P138第6题 二级结论y=k(x-2p)与抛物线的交点与原点连线垂直 )
Author:
张中强
设计意图
探究二级结论。
特色
1、直线可以旋转; 2、可以显示直线AO、BO的斜率,判断是否是垂直。
选修 3.3习题3.3(P138第6题 二级结论y=k(x-2p)与抛物线的交点与原点连线垂直 )
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