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毕氏螺线
Author:
林峰
GeoGebra
New Resources
直角坐標平面上的旋轉變換
【案例】2018年全国1卷理科12题
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
畫出對稱圖形
Discover Resources
三角
圓周角
軌跡教學
平行2
比例中的定值問題(三)
Discover Topics
Inequalities
Piecewise Functions
Trigonometry
Difference and Slope
Vectors 2D (Two-Dimensional)