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正n邊形內接縮小正n邊形
Author:
許清惟
GeoGebra
New Resources
畫出對稱圖形
算柱 (兩位數)
第八周作业
找出對稱軸
拼砌四邊形
Discover Resources
內心與角平分線觀察
平行四邊形
圓相切
比例中的定值問題(二)
S7G1 模拟光的折射
Discover Topics
Vectors 2D (Two-Dimensional)
Inequalities
Geometry
Intersection
Conic Sections