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2017-09-02－五複合六面體
Author:
黃俊翔
GeoGebra
New Resources
常见四边形是否是双心四边形
平行線的判定
第八周作业1
圓的切線方程
活动三：应用性质
Discover Resources
用心包裝的禮物
Measuring areas by placing different shapes
斜率與y截距
畢氏定理證明
四下_認識小數(教師版)
Discover Topics
Root
Rhombus
Intersection
General Quadrilateral
Power Functions