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特製的門
Author:
李春培
特製的門
https://www.facebook.com/video.php?v=730160733696759&fref=nf
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
兩位數除以一位數（二）
拼砌四邊形
算柱 (兩位數)
Discover Resources
正四面體的旋轉對稱
五邊形中點
Copy of 重複組合求正整數解
正方体表面积11种展开图
S7G1 模拟光的折射
Discover Topics
Complex Numbers
Stochastic Process or Random Process
Definite Integral
General Quadrilateral
Polynomial Functions