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公切線的條數
Author:
李春培
公切線的條數
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
GeoGebra笔记功能体验课件
找出對稱軸
判斷球體
Discover Resources
方格紙上畫平行四邊形1
三角形全等的理由 – 題2的副本
Twghmkc_算柱
椭圆的光学性质
圓的基本性質
Discover Topics
Hyperbola
Distributions
Pythagoras or Pythagorean Theorem
Addition
Circumcircle or Circumscribed Circle