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數播線上201802
Author:
Yu-Tuan Lin
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
兩位數加法
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
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畫三角形 題3b
平行四邊形
Example 1
双曲线交抛物线
一道三视图的题目（三视图作法参考）
Discover Topics
Geometry
Quadrilaterals
Mathematics
Rotation
Symmetry