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B小學今星期的遲到人數
Author:
iedc
GeoGebra
New Resources
龙形曲线-分形龙2
三角函数 的副本
探究三角形的全等條件
比較五件物件的重量
垂直線的斜率
Discover Resources
正七邊形
畫鐘面
兩個圓的中點軌跡
圓錐完成
Ex5D#9
Discover Topics
Linear Programming or Linear Optimization
Linear Regression
Parametric Curves
Square
Median Line