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泰北2017GGB研習
Author:
pingfeng.wu
認識伙伴學校
GeoGebra
New Resources
拼砌四邊形
算柱 (兩位數)
異分母分數減法
第八周作业
畫出對稱圖形
Discover Resources
離心率與圓錐曲線
三年級-分數
定周长的正多边形面积变化规律
構作對稱圖形
Twghmkc_算柱
Discover Topics
Triangles
Normal Distribution
Planes
Median Line
Random Experiments