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折扣 例1
Author:
GeoGebra Institute of Hong Kong
GeoGebra
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活动三:应用性质
斐波那契螺旋弧线(表格法-可动态调节)
正方形雪花图案
异形操场
双心四边形
Discover Resources
廣義角的代換(90度加減角度)
指數與對數
四邊形的簡介
加法001(结果10以内)
parabola 抛物线方程求解
Discover Topics
Median Line
Mode
Arithmetic Operations
Centroid or Barycenter
Line Segment