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優良作品1
Author:
Ching-Hui Chou
GeoGebra
New Resources
三位數除以一位數（二）
異分母分數減法
兩組對邊相等的四邊形
【案例】2013年安徽高考15题
画直线等分三角形的面积
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Quiz on Interior & Exterior Angles of Triangles 三角形內角和及外角：測驗
無意義
Lens2
test
算幾不等式
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Normal Distribution
Quadratic Functions
Dilation
Logic
Incircle or Inscribed Circle