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迭帶
Author:
余銘芬
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）
異分母分數減法
球體建築師
Discover Resources
From:PTT 國小題目求面積
立方體截痕
多次分割平行四邊形
Magnitude of cosine
Copy of 軸對稱
Discover Topics
Cube
Conditional Probability
Random Experiments
Conic Sections
Pie Chart or Circle Chart