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三角形的四心-五線-內外二圓的副本
Author:
庄晓阳
,
Ho-Kai Chen
四心:內外重垂
GeoGebra
拉動三角形的頂點,看看圖形的變化
New Resources
異分母分數減法
兩組對邊相等的四邊形
球体的体积推导(优化版)
算柱 (兩位數)
【案例】2018年全国1卷理科12题
Discover Resources
Equations of Circles 圓方程
PMC 2014-15 Q4
兩數相加
製作對稱圖形 LEVEL 2
線的面化
Discover Topics
Inequalities
Symmetry
Special Points
Poisson Distribution
Sphere