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毕氏螺线
Author:
树常青
GeoGebra
New Resources
找出對稱軸
【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
判斷球體
兩位數加法
Discover Resources
環形面積
拋物線與直線相交弓形區域
內輪差...
線性組合
堆疊
Discover Topics
Upper and Lower Sum or Riemann Sum
Trapezoid
Similar Triangles
Symmetry
Cube