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銳角三角函數
Author:
羅驥韡 (Pegasus Roe)
Topic:
Trigonometric Functions
GeoGebra
New Resources
画直线等分三角形的面积
畫出對稱圖形
柱體建築師
三位數除以一位數（一）
三位數除以一位數（二）
Discover Resources
mario coin
Rectangle
ptccs2new4
cos, sin 與單位圓的副本
变化的三角形的外心.许兴华数学
Discover Topics
Mode
Histogram
Functions
Incircle or Inscribed Circle
Cylinder