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剪紙問題
Author:
Cychoy
Topic:
Area
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等的四邊形
找出對稱軸
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
Discover Resources
測試1
垂直1
圓內一點
垂心(劉虹圻623)
文繞圖2
Discover Topics
Translation
Probability
Difference and Slope
Similar Triangles
Constructions