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GeoGebra
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Author:
tan90
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
sanjiaohanshu
Fibonacci Clock
長方體平面投影 (Codex版)
判斷球體
Discover Resources
Net of a cylinder
Add and subtract (binary) 2
y=sinx的伸縮平移
固定周界的長方形的面積變化（周界是200厘米）
多普勒效应动态演示
Discover Topics
Inequalities
Scatter Plot
Hypothesis Testing
Line Segment
Standard Deviation