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畢氏樹
Author:
羅驥韡 (Pegasus Roe)
畢氏樹
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩位數加法
兩組對邊相等的四邊形
球体的体积推导
三位數除以一位數（二）
Discover Resources
旋轉對稱_1_李樂雯
Apollonius Problem 10 CCC poncelet
雙曲線的幾何性質
橢圓3--平行四邊形法
性質三十三_四邊形四邊外接指定條件的平行四邊形
Discover Topics
Cuboid
Kite
Tangent Function
General Quadrilateral
Reflection