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垂線性質2
Author:
user9429
GeoGebra
New Resources
兩位數加法
GeoGebra笔记功能体验课件
兩位數除以一位數（二）
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
Discover Resources
龍騰4_1-1課例5
Escher 階梯 (Penrose Stair)
直线平分三角形面积
角平分線製作
包含除法（1 ÷分數）
Discover Topics
Arithmetic
Linear Equations
Plane Figures or Shapes
Matrices
Vectors 3D (Three-Dimensional)