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共轭直径
Author:
向学数学
Topic:
Ellipse
GeoGebra
New Resources
异形操场
科赫雪花
第八周作业
直線的斜率：水平變化 & 鉛垂變化
平行線的判定
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task1
仿生機械
Triangles with the same height
gltcf 計算長方體對角線
數學傳播39卷4期, 平面幾何公式思考
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Constructions
Matrices
Quadrilaterals
Curve Sketching
Exponential Functions