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龜甲
Author:
呂麗珠
GeoGebra
New Resources
GeoGebra笔记功能体验课件
三位數除以一位數（二）
画直线等分三角形的面积
拼砌四邊形
兩位數加法
Discover Resources
三角形的四心－五線－內外二圓
一年級
laptop height
Congruent Triangle (ASA)
中位线问题
Discover Topics
Secant Line or Secant
Isosceles Triangles
Linear Equations
Inequalities
Conditional Probability