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美丽的斯坦纳圆链
Author:
孟宝兴
GeoGebra
New Resources
四邊形的特性
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
拼砌四邊形
Discover Resources
題 8
Sierpinski 分形
向量加法
圆的面积展开的副本
廣義三角：sin, cos
Discover Topics
Exponent
Linear Functions
Orthocenter
Interest Calculation
Continuity