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直线与椭圆
Author:
lidonglin
焦点到直线的距离之积为定值b方则直线与椭圆相切
GeoGebra
New Resources
第八周作业
算柱 (兩位數)
柱體建築師
畫出對稱圖形
【案例】2013年安徽高考15题
Discover Resources
判斷柱體 5
內分點遞迴
蚂蚁在长方体表面爬行的最短路径问题
Copy of 重複組合求正整數解
圓錐的曲面面積的副本
Discover Topics
Quadratic Equations
Subtraction
Parametric Curves
Histogram
Bar Chart or Bar Graph