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Constructing Quadrilaterals by Four Sides (2014)
Author:
Anthony OR 柯志明
GeoGebra
New Resources
兩位數除以一位數（一）
球体的体积推导（优化版）
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
画直线等分三角形的面积
Discover Resources
四下_認識小數(學生版)
畢氏定理
p04 equidistant from two points
圖一
拋物面光學性質
Discover Topics
Line Segment
Combinatorics
Hyperbola
Function Graph
Integers