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cos, sin 與單位圓
Author:
陳昭君
,
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
算柱 (兩位數)
直角坐標平面上的旋轉變換
画直线等分三角形的面积
找出對稱軸
兩位數除以一位數（一）
Discover Resources
找中點的坐標
斯坦納-雷米歐司(Steiner-Lehmus)定理證明三
探究平行四邊形面積(2)
圖形的周界
Copy of Quiz on Compass Bearings
Discover Topics
Geometric Transformations
Boxplot
Cuboid
Trapezoid
Exponent