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優良作品2
Author:
Ching-Hui Chou
GeoGebra
New Resources
四邉形 (四年級) 教師版
拼砌四邊形
異分母分數減法
球體建築師
兩位數除以一位數（一）
Discover Resources
鏡面反射光線
正方體的反射對稱
面積相關問題(Area)
三角形的底和高
中一︰棱柱的總表面面積-長方體的副本
S3 WS4.3 Q04(3D圖)
Discover Topics
Secant Line or Secant
Interest Calculation
Geometric Transformations
Stochastic Process or Random Process
Definite Integral