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陳允杰 橢圓反射
Author:
陳允杰
GeoGebra
New Resources
拼砌四邊形
畫出對稱圖形
算柱 (兩位數)
直角坐標平面上的旋轉變換
Nested spiral octagon
Discover Resources
餘弦定理
不盡相異物的排列
St. Line
Introduction to Rectangular Coordinates
n 次方根 的複本
Discover Topics
Tangent Function
Histogram
Correlation
Polygons
Subtraction