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Author:
万超杰
GeoGebra
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GeoGebra笔记功能体验课件
柱體建築師
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
球体的体积推导（优化版）
Discover Resources
莫雷角三分線定理
紙飛機
序列嵌套
变形的正方形
兩位數除三位數(商=10)
Discover Topics
Trapezoid
Difference and Slope
Secant Line or Secant
Complex Numbers
Numbers