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保持比例
Author:
hjyanghj
Topic:
Geometry
GeoGebra
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畫出對稱圖形
小数 的副本
球體建築師
兩組對邊相等的四邊形
長方體平面投影 (Codex版)
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旋轉
test000
正三角疊代
拋物線6-包絡線法
Copy of 費氏螺旋 (試算表)
Discover Topics
Secant Line or Secant
Percentages
Reflection
Curve Sketching
Natural Numbers