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达布和
Author:
xz26zx
达布和
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等和有直角的四邊形
異分母分數減法
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
Discover Resources
Quiz on Compass Bearings 羅盤方位角：測驗
三垂線定理
congruent triangle2_provided by Mr Yeung Kar Chun
两圆的位置关系
Regular Tetrahedron
Discover Topics
Algebra
Probability
Addition
Polygons
Arithmetic Operations