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凹正方形
Author:
王玉霞
GeoGebra
New Resources
兩位數加法
四邉形 (四年級) 教師版
異分母分數減法
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
Discover Resources
Symmetric設計對稱圖案(一條對稱軸)
題 1
Is this a prism 1
一筆畫
学习科学计算器
Discover Topics
Sine
Vectors
Sphere
Continuity
Exponential Functions