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教學－面與面的夾角
Author:
Lau Sir
GeoGebra
New Resources
錐體建築師
判斷球體
兩組對邊相等和有直角的四邊形
拼砌四邊形
【案例】2018年全国1卷理科12题
Discover Resources
简易立体几何
等量公理
一筆畫
数学几何
活工(三)Q2
Discover Topics
Geometry
Parametric Curves
Quadrilaterals
Ellipse
Piecewise Functions