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伊斯蘭窗花花花花
Author:
marylovesshinee
GeoGebra
New Resources
撒针估算面积实验
盈利與虧蝕
三角函数 的副本
折扣
正方形雪花图案
Discover Resources
特別角的三角函數值(2)
Ex5D#1
多边形对角线
橢圓截圓錐
面積
Discover Topics
Incircle or Inscribed Circle
Mode
Linear Functions
Cylinder
Trigonometric Functions