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圓錐曲線的光學性質
Author:
陳隆期
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
判斷球體
柱體建築師
異分母分數減法
四邉形 (四年級) 教師版
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斜率
水波干涉
地球－分區著色
Copy of 盒子的體積
线段-视觉差
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Equilateral Triangles
Symmetry
General Quadrilateral
Normal Distribution
Parabola