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椭圆的离心率
Author:
wengmi
Topic:
Ellipse
GeoGebra
New Resources
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
第八周作业
找出對稱軸
畫出對稱圖形
Discover Resources
數位學習社
【練習】資料整理與統計圖表─盒狀圖
平行線的截線性質
Properties of a Parallelogram
線對稱圖形
Discover Topics
Intersection
Trigonometric Functions
Exponential Functions
Geometric Distribution
Trapezoid