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三角函數名稱的由來
Author:
Tang, Shu-jyh
,
陳柄何
GeoGebra
New Resources
GeoGebra笔记功能体验课件
四邊形的特性
兩位數加法
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
Discover Resources
異分母的分數加減
阿基米德螺線
黎曼和
求 a + b 的最大值？
-3 ≤ cosA+cosB+cosC ≤ 3/2
Discover Topics
Equilateral Triangles
Secant Line or Secant
Arithmetic Mean
Optimization Problems
Parallelogram