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椭圆的定义
Author:
guomenglin
Topic:
Ellipse
GeoGebra
New Resources
第八周作业
找出對稱軸
兩位數除以一位數（一）
近似值：有效數字
三位數除以一位數（二）
Discover Resources
阿壽工坊：「GeoGebra工作室」與「GeoGebra學習教室」分享資料
體積的量度 3
Logarithmic spiral
rotational symmetry_4
構作對稱圖形
Discover Topics
Set Theory
Division
Quadratic Functions
Mode
Arithmetic Mean