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cos, sin 與單位圓
Author:
羅驥韡 (Pegasus Roe)
Topic:
Trigonometry
GeoGebra
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判斷球體
拼砌四邊形
畫出對稱圖形
柱體建築師
第八周作业
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aaa aaa aaa aaa
Hoja de prueba
Copy of 畢氏樹
勾股定理的毕氏证明
根據百分率找數量（二）: 例4的副本
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Fractions
Bar Chart or Bar Graph
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