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Drawing quadrilaterals on the grid or the pinboard
Author:
Anthony OR 柯志明
GeoGebra
New Resources
錐體建築師
球體建築師
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
GeoGebra笔记功能体验课件
Discover Resources
正多面體
車線.ggb
平行線
三次函數圖形、極值、反曲點
作業1
Discover Topics
Symmetry
Ellipse
Equations
Intersection
Linear Programming or Linear Optimization