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作業一
Author:
侯杰材
使ˋㄕ
GeoGebra
New Resources
拼砌四邊形
畫出對稱圖形
sanjiaohanshu
近似值：有效數字
兩組對邊相等和有直角的四邊形
Discover Resources
垂線作圖
碎形
angle between 2 planes 02
基础知识
常见立体图形的截面
Discover Topics
Planes
Integral Calculus
Geometric Distribution
Isosceles Triangles
Trapezoid