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用函数探究几何关系北京2019中考24题
Author:
林峰
GeoGebra
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第八周作业1
撒针估算面积实验
盈利與虧蝕
活动三：应用性质
第八周作业
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直角三角形內切圓半徑
正弦公式證明 (Mr. KONG)
雙曲線教學_2016
Origami-Trisect An Angle
ㄩㄢ
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Reflection
Piecewise Functions
Tangent Function
Equilateral Triangles
Triangles