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最小周長
Author:
張丰耘
GeoGebra
New Resources
畫出對稱圖形
柱體建築師
三位數除以一位數（二）
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
優良作品2
translation
量角器
Copy of 面積：從梯形到三角形 02
Hamid Naderi Yeganeh segment3
Discover Topics
Arithmetic Mean
Terms
Quadrilaterals
Optimization Problems
Rational Numbers