谷歌课堂

GeoGebra 教室

Circle & Circumference

作者:spkwan

主题:圆

Circumference of these Circles

Circumference Sum of Touching Circles through a Line

worksheet

Squares on the Diagonal

Conference Paper

Conference Paper — https://www.eduhk.hk/primaryed/eproceedings/fullpaper/RN338.pdf

Lesson for Analysis

https://youtu.be/yQUIsqRZ8Os

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