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Proof2 周子翔
Author:
郭亮偉
GeoGebra
New Resources
異分母分數減法
球體建築師
画直线等分三角形的面积
四邊形的特性
兩組對邊相等的四邊形
Discover Resources
旋轉矩陣
曲線與投影
判斷錐體 5
兩位小數
Demo
三角函数图像变换动画演示
Discover Topics
Functions
Cuboid
Isosceles Triangles
Trigonometry
Secant Line or Secant