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平方练习
Author:
acchu
GeoGebra
New Resources
双心四边形
第八周作业2
直線的斜率：水平變化 & 鉛垂變化
撒针估算面积实验
科赫雪花
Discover Resources
周界平移
題1
多边形绕圆滚动
旋轉對稱 Rotational symmetry
試算表畫纏繞畫
Discover Topics
Right Triangles
Prism
Quadratic Functions
Cosine
Trigonometric Functions