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梯形面積(求上底)
Author:
lkkbmaths teachers 檔案儲存用
GeoGebra
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球體建築師
算柱 (兩位數)
拼砌四邊形
畫出對稱圖形
美國國旗 (Codex 版)
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三角形與邊上一點求正三角形
glt-c02-09 五角柱旋轉
正方形與圓中點軌跡(1060724)
圆内弦（迭代）
繪畫梯形
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Rectangle
Geometric Mean
Pyramid
Bar Chart or Bar Graph
Geometric Transformations