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10/23(1)
Author:
張紜愷
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等和有直角的四邊形
Nested spiral octagon
直角坐標平面上的旋轉變換
近似值：有效數字
Discover Resources
Similar triangles
三角形外心的位置
day01_03
拋物線5--包絡線法
指數函數與對數函數圖形圖形(同底)
Discover Topics
Sine
Vectors 2D (Two-Dimensional)
Cosine
Surface
Piecewise Functions