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20200108中线倍长大法
Author:
陈敦莹
GeoGebra
New Resources
斐波那契螺旋弧线（表格法-可动态调节）
第八周作业1
折扣
撒针估算面积实验
中华人民共和国国旗
Discover Resources
螢橋國中80137陳英瀚
圓的面積
複合形體的表面積(凹形)
GGB 基礎教學（平面幾何）
Test
Discover Topics
Tangent Function
Division
Sphere
Upper and Lower Sum or Riemann Sum
Vectors 2D (Two-Dimensional)