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磁磚著色
Author:
Ching-Hui Chou
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
球体的体积推导（优化版）
兩組對邊相等的四邊形
三位數除以一位數（一）
画直线等分三角形的面积
Discover Resources
分數的大小變化
Demo 1
直線方程式--斜率比較
旋轉動畫
Copy of glt-h02-00-正方形折成三角錐
Discover Topics
Linear Programming or Linear Optimization
General Quadrilateral
Translation
Rotation
Parallelogram