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waaachen
Author:
陳兪宏
偷懶版本~~~
GeoGebra
New Resources
兩位數除以一位數（一）
第八周作业
兩位數除以一位數（二）
GeoGebra笔记功能体验课件
畫出對稱圖形
Discover Resources
Book4
分數(約分)
找找看三角形外接圓的圓心在哪？
極座標
GGB分解的按鈕設計
Discover Topics
Similar Triangles
Tree Diagrams
Parallelogram
General Quadrilateral
Secant Line or Secant