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《2019 东城一模-25》
Author:
acchu
GeoGebra
New Resources
兩位數加法
兩組對邊相等和有直角的四邊形
球體建築師
畫出對稱圖形
異分母分數減法
Discover Resources
橢圓動畫
線性規劃
小四平面圖形學習單
congruent (ASA)
Copy of 随机模拟实验（撒豆子估算π）
Discover Topics
Rotation
Scalene Triangles
Expected Value
Translation
General Quadrilateral