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勾股定理的毕氏证明(吴兴海)
Author:
吴兴海
GeoGebra
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第三周作业效果演示
活动三:应用性质
三角函数 的副本
折扣
异形操场
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拋物線教學_2016
軌跡為橢圓或雙曲線
功課
三角形的外心
完全平方公式
Discover Topics
Sphere
Similar Triangles
Function Graph
Cone
Piecewise Functions