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三圓外切
Author:
AlexWang
GeoGebra
New Resources
GeoGebra笔记功能体验课件
【案例】2018年全国1卷理科12题
找出對稱軸
兩位數除以一位數（二）
畫出對稱圖形
Discover Resources
Fill a special area
生活中的平面圖形─角的性質
Rotation
Flux of a vector field
拼出三角形的副本
Discover Topics
Secant Line or Secant
Intersection
Linear Regression
Indefinite Integral
Addition