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CK106
Author:
arist
GeoGebra
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常见四边形是否是双心四边形
撒针估算面积实验
折扣
第八周作业1
直線的斜率:水平變化 & 鉛垂變化
Discover Resources
Polygon Activity
平行四邊形柱算體積(可以切開)
三角比的性質
碎形
一次函数 二次函数 三角函数
Discover Topics
Division
Incircle or Inscribed Circle
Derivative
Fractions
Straight Lines