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椭圆的一种画法.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
,
Ellipse
GeoGebra
New Resources
錐體建築師
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
異分母分數減法
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Angles in the Circumference and the Centre
圓底三角形截面
圓錐(可改底面圓半徑、錐體高)
賺賠：例1的副本
旋轉方形
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Random Experiments
Geometry
Polygons
Similar Triangles
Linear Regression