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數學教材教法
Author:
邱于秀
GeoGebra
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撒针估算面积实验
椭圆内切圆链
折扣
球体的截面
常见四边形是否是双心四边形
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三菱鏡分光 紅光與藍光的角度關係
小學數學
點之極線定理 / polar of a point theorem
時間
長方形的對稱軸
Discover Topics
Polynomial Functions
Cylinder
Arithmetic Operations
Vectors
Dilation