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鉛筆畫圓
Author:
14黃柏鈞
鉛筆畫圓
GeoGebra
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兩位數加法
兩組對邊相等的四邊形
拼砌四邊形
柱體建築師
第八周作业
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Symmetric設計對稱圖案(兩條對稱軸)
test01
gjh-g04-01 差的平方公式
quiz 9.1 2(d)
極線對偶定理 / polar duality theorem 的複本
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Means
Upper and Lower Sum or Riemann Sum
Planes
Parametric Curves
Equilateral Triangles