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點光源圖
Author:
劉家宏
點光源圖
GeoGebra
New Resources
三位數除以一位數（一）
兩位數除以一位數（二）
錐體建築師
球體建築師
【案例】圆柱体内放置一个大球六个小球
Discover Resources
斜率 - 概念及定義 (2)
複數相乘的幾何意義
animation for kastin
畢氏定理
单晨答上海鲍老师
Discover Topics
Right Triangles
Linear Programming or Linear Optimization
Similar Triangles
Scatter Plot
Normal Distribution