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劉虹圻 垂心
Author:
呂麗珠
Topic:
Orthocenter
GeoGebra
New Resources
畫出對稱圖形
画直线等分三角形的面积
【案例】圆柱体内放置一个大球六个小球
【案例】2018年全国1卷理科12题
第八周作业
Discover Resources
九點圓
Centroid
学习几何
展開圓面積 (講義版)的副本
正方形穿越
Discover Topics
Sphere
Curve Sketching
Trigonometric Functions
Ellipse
Functions