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Author:
黃斌
GeoGebra
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常见四边形是否是双心四边形
第八周作业1
百分數及其應用
椭圆内切圆链
第八周作业3
Discover Resources
sin(x)0-720
椭圆的定义
平方數平方數的副本
鹿梅 初中数学几何课件(模型)
角的介紹 | Introduction to Angles
Discover Topics
Sequences and Series
Pythagoras or Pythagorean Theorem
Probability
Coordinates
Piecewise Functions