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17-分页显示与分步显示
Author:
龚洪萍
GeoGebra
New Resources
撒针估算面积实验
折扣
直線的斜率：水平變化 & 鉛垂變化
平行線的判定
龙形曲线-分形龙
Discover Resources
公切線的條數
方格紙上畫四邊形
维纳斯的身高 （简易版）
弦心距
Copy of 折扣 例5
Discover Topics
Median Line
Square
Set Theory
Conditional Probability
Scalene Triangles