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三角函數-sin
Author:
shan chun
Topic:
Trigonometric Functions
GeoGebra
New Resources
算柱 (兩位數)
直角坐標平面上的旋轉變換
球體建築師
兩位數加法
兩位數除以一位數（一）
Discover Resources
面積認識
Dizzy (Just for Fun)
利用Geogebra說明y=ax2＋bx＋c圖形性質
小圓外繞大圓
同心六邊形
Discover Topics
Subtraction
Intersection
Sine
Mode
Probability