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北京中考
Author:
李莹
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
判斷球體
錐體建築師
第八周作业
Discover Resources
線段與角度的裝飾
ctr to mid perd
P3 3S1 製作平行四邊形 / Construct Parallelograms
高尔顿钉板实验
Copy of Quiz on Solving Quadratic Inequalities 解二次不等式：測驗
Discover Topics
Standard Deviation
Planes
Fractal Geometry
Division
Exponent