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滾滾硬幣
Author:
陳隆期
GeoGebra
New Resources
兩組對邊相等的四邊形
畫出對稱圖形
算柱 (兩位數)
四邉形 (四年級) 教師版
兩位數加法
Discover Resources
正方變十字
三角形
ie 5
平行四邊形的面積的副本
探索到两定点的距离之积为定值的点的轨迹
Discover Topics
Histogram
Equilateral Triangles
Distributions
Standard Deviation
Rhombus