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橢圓軌跡_過圓內一點與圓內切
Author:
Wu Xiao-Ren
GeoGebra
New Resources
兩位數除以一位數（一）
【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（二）
異分母分數減法
【案例】2018年全国1卷理科12题
Discover Resources
哈里斯螺旋 (Harriss Spiral)
模擬3D物件
冪函數
數未學習社12/15
No.5
迭代多角星
Discover Topics
Percentages
Function Graph
Ratios
Vectors 3D (Three-Dimensional)
General Quadrilateral