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正多邊形各邊中點連線所圍成的圖形
Author:
Jimmy Ma
GeoGebra
New Resources
柱體建築師
畫出對稱圖形
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
Discover Resources
愛心曲線
角平分線-1
畢氏定理拼圖007(8片)
动态演示
n 次方根 的複本
Discover Topics
Quadratic Equations
Cuboid
Trapezoid
Hypothesis Testing
Sphere