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欧拉线与三角形中心
Author:
方程
GeoGebra
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盈利與虧蝕
折扣
活动三：应用性质
龙形曲线-分形龙2
第八周作业2
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大邊對大角
空白圖檔
周界(移邊)
虎牙直播
橢圓幾何性質,光學性質,生活應用
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Addition
Trigonometric Functions
Algebra
Geometric Distribution
Trigonometry