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GeoGebra
GeoGebra Classroom
GeoGebra
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180°
Author:
杨华
GeoGebra
New Resources
双心四边形
正方形雪花图案
盈利與虧蝕
斐波那契螺旋弧线(表格法)
第八周作业
Discover Resources
不規則圖形的周界(T)
三角形的簡介
恆等式
Menger Sponge
示例2
Discover Topics
Congruence
Solids or 3D Shapes
Fractions
Functions
Angles