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直角三角形的存在性
Author:
运斌 王
GeoGebra
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GeoGebra笔记功能体验课件
多邊形的面積
異分母分數減法
画直线等分三角形的面积
平行線的斜率
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練習
齒輪作圖
旋轉的概念
反比例函数3456
基础知识
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Scalene Triangles
Power Functions
Conditional Probability
Surface
Polygons