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任务10：黄金螺线与向日葵
Author:
陈丽婷
GeoGebra
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科赫雪花
异形操场
科氏力 (Coriolis Force)
比較五件物件的重量
折扣
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線性變換,矩陣
小數
常見平行線例題圖形繪製
直徑式的原理
对数函数（表格文本效果）的副本
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Integers
Polygons
Mathematics
Pythagoras or Pythagorean Theorem
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