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dynamics dragon
Author:
赵林
GeoGebra
New Resources
兩組對邊相等的四邊形
找出對稱軸
四邊形的特性
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
Discover Resources
盒子的體積
sin(x) 的函數圖形
指數圖形
折纸成抛物线
Solve ax + b = c | 解方程（樣式： ax + b = c ）
Discover Topics
Stochastic Process or Random Process
Scatter Plot
Random Experiments
Ellipse
Geometric Distribution