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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
sanjiaohanshu
小数 的副本
四邊形的特性
AI 訓練教室
畫出對稱圖形
Discover Resources
Quiz on Solving One-step Linear Equations (1) | 解「一步」一次方程：測驗(1)
例題1【凹口性分析】
三視圖3d眼鏡
劉徽的「割圓術」的副本
比一比看谁小
Discover Topics
Standard Deviation
Right Triangles
Trigonometric Functions
Interest Calculation
Line Segment