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三角函數值 (特別角)
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
兩位數加法
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
錐體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
田中的道路2
柯西不等式 (3)
滑桿按鈕輸入框
Fractal
正N边形在圆内的滚动
Discover Topics
Curve Sketching
Similarity Transformation or Similarity
Plane Figures or Shapes
Tangent Line or Tangent
Poisson Distribution