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周界平移
Author:
kwok ka yan
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lkkbmaths teachers 檔案儲存用
GeoGebra
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兩組對邊相等和有直角的四邊形
Fibonacci Clock
畫出對稱圖形
找出對稱軸
美國國旗 (Codex 版)
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題五
Geometry: Types of Angles 2 (幾何：角的種類 2)
string art
V3-2-2
勒洛四面体（拼接法）
Discover Topics
Confidence Interval
Continuity
Difference and Slope
Parallelogram
Trapezoid