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zentangle
Author:
陳隆期
GeoGebra
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第八周作业3
圓的切線方程
平行線的斜率
讀磅
撒针估算面积实验
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黃金螺線
Trigonometry
牛頓定理二
平行六面體
伍四红 圆与正方形 面积同周长比较
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Tangent Line or Tangent
Constructions
Terms
Geometric Mean
Arithmetic Mean