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Author:
youzhen shih
GeoGebra
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画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
Discover Resources
ghseh 二次函數描點法上下平移-6
軌跡圖
正弦函数图象的形成
hihihiADFASDF
可拖动A、B 改变形状
Discover Topics
Set Theory
Volume
Confidence Interval
Equilateral Triangles
Constructions