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illumination
Author:
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GeoGebra
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科赫雪花
活动三：应用性质
第八周作业3
正方形雪花图案
比較五件物件的重量
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扇形滾動2
柱體建築師
Mean of a Large Set of Data 大量數據的平均數
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
分数加法 Fraction Addition
Discover Topics
Cuboid
Optimization Problems
Vectors 2D (Two-Dimensional)
Linear Functions
Ellipse