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二维仿射变换的矩阵表示
Author:
代国兴 田立新
GeoGebra
GeoGebra
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錐體建築師
球體建築師
柱體建築師
四邊形的特性
拼砌四邊形
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商高定理\水
優良作品3(薇如)
正多边形内接迭代
數線(小數的認識)
積分
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Volume
Congruence
Median Value
Geometric Mean
Tree Diagrams