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Constructing Quadrilaterals by Four Sides (2014)
Author:
Anthony OR 柯志明
GeoGebra
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兩位數加法
【案例】2013年安徽高考15题
【案例】圆柱体内放置一个大球六个小球
画直线等分三角形的面积
算柱 (兩位數)
Discover Resources
拼圖遊戲
Quiz on Addition and Subtraction of Directed Numbers (1) 有向數加減測驗(1)
國旗
時鐘與數學
area 面積4
Discover Topics
Fractions
Power Functions
Derivative
Fractal Geometry
Quadratic Functions