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waaachen
Author:
陳兪宏
waaachen
GeoGebra
New Resources
畫出對稱圖形
球體建築師
算柱 (兩位數)
拼砌四邊形
錐體建築師
Discover Resources
分數加法和減法
生日悖論
正方形所夾三角形面積相等
迭帶
分數約分
Discover Topics
Similar Triangles
Perimeter
Equations
Ratios
Step Functions