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勾股树
Author:
lansesorry
GeoGebra
New Resources
平行線的判定
双心四边形
斐波那契螺旋弧线（表格法-可动态调节）
百分數及其應用
常见四边形是否是双心四边形
Discover Resources
拼出三角形
ghseh 二次函數描點法左右平移-4
塔比.依本.庫拉 勾股定理證明
Net of a pyramid
正立方體->菱形十二面體(滑桿動畫)
Discover Topics
General Quadrilateral
Subtraction
Line Segment
Quadratic Functions
Equations