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作者：
Praethong Chanasri
GeoGebra
最新資源
Visualizing the Pythagorean Identity with Sine and Cosine
From Polar to Cartesian Coordinates
函數的單調性
random coprime pairs
Area Between Two Curves
探索資源
COE Best Fit Line
Polar and Coordinates Applet
Function transformations
The real explanation of the radian in visual
Lines in 3D: intersecting, parallel, and skew
探索主題
直角三角形
梯形
柱體
黎曼和（Riemann Sum）
算術