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電子幾何條（2014）
Author:
Anthony OR 柯志明
Topic:
Quadrilaterals
GeoGebra
New Resources
異分母分數減法
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
柱體建築師
四邊形的特性
Discover Resources
斯坦納-雷米歐司(Steiner-Lehmus)定理證明二
Introduce tangent ratio
淮阴2015-28
製作對稱圖 LEVEL 3
折扣 例2的副本
Discover Topics
LCM and GCD
Perimeter
Functions
Limits
Linear Equations