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[S2] a revised version of Jane’s GeoGebra file (modified by the author)
Author:
Chan Yip-Cheung
GeoGebra
New Resources
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
四邊形的特性
三位數除以一位數（二）
兩位數除以一位數（一）
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sin(x) 的函數圖形
Volume_Section
題A至E
angles sum on a striaght line
平行四邊形柱展開
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Combinatorics
Secant Line or Secant
Logic
Coordinates
Rhombus