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Rotational Symmetry的副本
Author:
高锦婷
,
user3390
testing
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
找出對稱軸
異分母分數減法
四邊形的特性
Discover Resources
尺規作圖找有理數點(以3分之5為例)
angles sum of a triangle 3
Net of pyramid
兔子繁殖树状图（斐波那契数列）
棒形圖編輯(修改版)
Discover Topics
Vectors 3D (Three-Dimensional)
Probability
Cosine
Angles
Optimization Problems