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教学素材：正切函数及其反函数
Author:
清风拂琴，陌上花开
GeoGebra
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科赫雪花
撒针估算面积实验
折扣
第八周作业
活动三：应用性质
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正十二面體轉正二十面體
學習單：Hilbert Curves
q5-8
劉徽的「割圓術」
翰林數學_2下_CH3-2_SAS作圖
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Functions
Line Segment
Percentages
Exponential Functions
Arithmetic