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输入框正弦型函数
Author:
lzp80
GeoGebra
New Resources
斐波那契螺旋弧线（表格法-可动态调节）
科氏力 (Coriolis Force)
异形操场
折扣
常见四边形是否是双心四边形
Discover Resources
Cube
二次函數
Similar Figures (QMSS)
電子幾何條的副本
我的第一个绘本
Discover Topics
Conic Sections
Polygons
Plane Figures or Shapes
Trapezoid
Upper and Lower Sum or Riemann Sum