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GeoGebra
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内外弦图
Author:
叶明杰
GeoGebra
New Resources
折扣
异形操场
平行線的判定
龙形曲线-分形龙2
正方形雪花图案
Discover Resources
範例
clock
優良作品5(沛綺)
正十二面體展開圖
Text sequence
Discover Topics
Interest Calculation
Linear Equations
Geometric Transformations
Polygons
Mode